
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    }

}
 import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    }

} Main public static void main(String[] args) {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    } main {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    } Scanner scanner=new Scanner(System.in); scanner new Scanner(System.in) String alphabets="abcdefghijklmnopqrstuvwxyz"; alphabets "abcdefghijklmnopqrstuvwxyz" int[] albox=new int[alphabets.length()]; albox new int[alphabets.length()] alphabets.length() alphabets.length alphabets while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        } scanner.hasNext() scanner.hasNext scanner {
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        } String s=scanner.nextLine(); s scanner.nextLine() scanner.nextLine scanner s=s.toLowerCase() s s.toLowerCase() s.toLowerCase s String[] chars=s.split(""); chars s.split("") s.split s "" for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            } String c chars {
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            } {
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            } int index=alphabets.indexOf(c); index alphabets.indexOf(c) alphabets.indexOf alphabets c if(index==-1) continue; index==-1 index -1 1 continue; albox[index]++ albox[index] albox index for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        } int i=0; int i=0; i 0 i<alphabets.length() i alphabets.length() alphabets.length alphabets i++ i++ i {
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        } {
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        } System.out.println(alphabets.charAt(i)+" : "+albox[i]) System.out.println System.out System System.out alphabets.charAt(i)+" : "+albox[i] alphabets.charAt(i)+" : "+albox[i] alphabets.charAt(i) alphabets.charAt alphabets i " : " albox[i] albox i String[] args args public class Main {

    public static void main(String[] args) {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    }

} public class Main {

    public static void main(String[] args) {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    }

} Main

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        // write your code here
        Scanner scanner=new Scanner(System.in);
        String alphabets="abcdefghijklmnopqrstuvwxyz";
        int[] albox=new int[alphabets.length()];
        while(scanner.hasNext()){
            String s=scanner.nextLine();
            s=s.toLowerCase();
            String[] chars=s.split("");
            for(String c:chars){
                int index=alphabets.indexOf(c);
                if(index==-1) continue;
                albox[index]++;
            }
        }
        for(int i=0;i<alphabets.length();i++){
            System.out.println(alphabets.charAt(i)+" : "+albox[i]);
        }
    }

}

