import java.io.*;

public class Main{
    public static void main(String[] args) throws IOException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        }
    }


 import java.io.*; io.* java public class Main{
    public static void main(String[] args) throws IOException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        }
    } Main public static void main(String[] args) throws IOException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        } main {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        } BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); reader new BufferedReader(new InputStreamReader(System.in)) int a a b b c c d d e e f f g g h h i i j j k k l l m m n n o o p p q q r r s s t t u u v v w w x x y y z; z a = 0 a 0 b = 0 b 0 c=0 c 0 d=0 d 0 e=0 e 0 e=0 e 0 f=0 f 0 g=0 g 0 h=0 h 0 i=0 i 0 j=0 j 0 k=0 k 0 l=0 l 0 m=0 m 0 n=0 n 0 o=0 o 0 p=0 p 0 q=0 q 0 r=0 r 0 s=0 s 0 t=0 t 0 u=0 u 0 v=0 v 0 w=0 w 0 x=0 x 0 y=0 y 0 z=0 z 0 String line = new String(); line new String() while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        } (line = reader.readLine())!=null (line = reader.readLine()) line reader.readLine() reader.readLine reader null {
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        } int len = line.length(); len line.length() line.length line for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            } int num =0; int num =0; num 0 num < len num len num++ num++ num {
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            } {
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            } String ch = line.toLowerCase(); ch line.toLowerCase() line.toLowerCase line char ch2 = ch.charAt(num); ch2 ch.charAt(num) ch.charAt ch num if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='a' ch2 'a' a++ a if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='b' ch2 'b' b++ b if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='c' ch2 'c' c++ c if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='d' ch2 'd' d++ d if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='e' ch2 'e' e++ e if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='f' ch2 'f' f++ f if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='g' ch2 'g' g++ g if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='h' ch2 'h' h++ h if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='i' ch2 'i' i++ i if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='j' ch2 'j' j++ j if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2 =='k' ch2 'k' k++ k if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='l' ch2 'l' l++ l if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='m' ch2 'm' m++ m if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='n' ch2 'n' n++ n if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='o' ch2 'o' o++ o if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='p' ch2 'p' p++ p if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='q' ch2 'q' q++ q if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='r' ch2 'r' r++ r if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='s' ch2 's' s++ s if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='t' ch2 't' t++ t if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='u' ch2 'u' u++ u if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='v' ch2 'v' v++ v if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='w' ch2 'w' w++ w if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='x' ch2 'x' x++ x if(ch2=='y') y++;
                else if(ch2=='z') z++; ch2=='y' ch2 'y' y++ y if(ch2=='z') z++; ch2=='z' ch2 'z' z++ z System.out.println("a : "+a) System.out.println System.out System System.out "a : "+a "a : " a System.out.println("b : "+b) System.out.println System.out System System.out "b : "+b "b : " b System.out.println("c : "+c) System.out.println System.out System System.out "c : "+c "c : " c System.out.println("d : "+d) System.out.println System.out System System.out "d : "+d "d : " d System.out.println("e : "+e) System.out.println System.out System System.out "e : "+e "e : " e System.out.println("f : "+f) System.out.println System.out System System.out "f : "+f "f : " f System.out.println("g : "+g) System.out.println System.out System System.out "g : "+g "g : " g System.out.println("h : "+h) System.out.println System.out System System.out "h : "+h "h : " h System.out.println("i : "+i) System.out.println System.out System System.out "i : "+i "i : " i System.out.println("j : "+j) System.out.println System.out System System.out "j : "+j "j : " j System.out.println("k : "+k) System.out.println System.out System System.out "k : "+k "k : " k System.out.println("l : "+l) System.out.println System.out System System.out "l : "+l "l : " l System.out.println("m : "+m) System.out.println System.out System System.out "m : "+m "m : " m System.out.println("n : "+n) System.out.println System.out System System.out "n : "+n "n : " n System.out.println("o : "+o) System.out.println System.out System System.out "o : "+o "o : " o System.out.println("p : "+p) System.out.println System.out System System.out "p : "+p "p : " p System.out.println("q : "+q) System.out.println System.out System System.out "q : "+q "q : " q System.out.println("r : "+r) System.out.println System.out System System.out "r : "+r "r : " r System.out.println("s : "+s) System.out.println System.out System System.out "s : "+s "s : " s System.out.println("t : "+t) System.out.println System.out System System.out "t : "+t "t : " t System.out.println("u : "+u) System.out.println System.out System System.out "u : "+u "u : " u System.out.println("v : "+v) System.out.println System.out System System.out "v : "+v "v : " v System.out.println("w : "+w) System.out.println System.out System System.out "w : "+w "w : " w System.out.println("x : "+x) System.out.println System.out System System.out "x : "+x "x : " x System.out.println("y : "+y) System.out.println System.out System System.out "y : "+y "y : " y System.out.println("z : "+z) System.out.println System.out System System.out "z : "+z "z : " z String[] args args public class Main{
    public static void main(String[] args) throws IOException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        }
    } public class Main{
    public static void main(String[] args) throws IOException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        }
    } Main
import java.io.*;

public class Main{
    public static void main(String[] args) throws IOException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z;
        a = 0;b = 0;c=0;d=0;e=0;e=0;f=0;g=0;h=0;i=0;j=0;k=0;l=0;m=0;n=0;o=0;p=0;
        q=0;r=0;s=0;t=0;u=0;v=0;w=0;x=0;y=0;z=0;

        String line = new String();
        while((line = reader.readLine())!=null){
            int len = line.length();
            for(int num =0;num < len;num++){
                String ch = line.toLowerCase();
                char ch2 = ch.charAt(num);

                if(ch2 =='a')a++;
                else if(ch2 =='b')b++;
                else if(ch2 =='c')c++;
                else if(ch2 =='d')d++;
                else if(ch2 =='e')e++;
                else if(ch2 =='f')f++;
                else if(ch2 =='g')g++;
                else if(ch2=='h')h++;
                else if(ch2 =='i')i++;
                else if(ch2 =='j')j++;
                else if(ch2 =='k')k++;
                else if(ch2=='l')l++;
                else if(ch2=='m')m++;
                else if(ch2=='n')n++;
                else if(ch2=='o')o++;
                else if(ch2=='p')p++;
                else if(ch2=='q')q++;
                else if(ch2=='r') r++;
                else if(ch2=='s') s++;
                else if(ch2=='t') t++;
                else if(ch2=='u') u++;
                else if(ch2=='v') v++;
                else if(ch2=='w') w++;
                else if(ch2=='x') x++;
                else if(ch2=='y') y++;
                else if(ch2=='z') z++;
                


            }
        }
        System.out.println("a : "+a);
        System.out.println("b : "+b);
        System.out.println("c : "+c);
        System.out.println("d : "+d);
        System.out.println("e : "+e);
        System.out.println("f : "+f);
        System.out.println("g : "+g);
        System.out.println("h : "+h);
        System.out.println("i : "+i);
        System.out.println("j : "+j);
        System.out.println("k : "+k);
        System.out.println("l : "+l);
        System.out.println("m : "+m);
        System.out.println("n : "+n);
        System.out.println("o : "+o);
        System.out.println("p : "+p);
        System.out.println("q : "+q);
        System.out.println("r : "+r);
        System.out.println("s : "+s);
        System.out.println("t : "+t);
        System.out.println("u : "+u);
        System.out.println("v : "+v);
        System.out.println("w : "+w);
        System.out.println("x : "+x);
        System.out.println("y : "+y);
        System.out.println("z : "+z);

        }
    }



