
import java.util.Scanner;

public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  }
}
 import java.util.Scanner; Scanner java.util public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  }
} Main public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  } main {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String str ; str int[] a = new int[128]; a new int[128] 128 int i; i while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    } sc.hasNext() sc.hasNext sc {
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    } str = sc.nextLine().toLowerCase() str sc.nextLine().toLowerCase() sc.nextLine().toLowerCase sc.nextLine() sc.nextLine sc for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    } i=0; i=0 i 0 i<str.length() i str.length() str.length str i++ i++ i {
      a[str.charAt(i)]++;;
    } {
      a[str.charAt(i)]++;;
    } a[str.charAt(i)]++ a[str.charAt(i)] a str.charAt(i) str.charAt str i for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    } char ch='a'; char ch='a'; ch 'a' ch<='z' ch 'z' ch++ ch++ ch {
      System.out.println(ch+" : "+a[ch]);
    } {
      System.out.println(ch+" : "+a[ch]);
    } System.out.println(ch+" : "+a[ch]) System.out.println System.out System System.out ch+" : "+a[ch] ch+" : "+a[ch] ch " : " a[ch] a ch sc.close() sc.close sc String[] args args public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  }
} public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  }
} Main

import java.util.Scanner;

public class Main{
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String str ;
    int[] a = new int[128];
    int i; 
    while(sc.hasNext()){
      str = sc.nextLine().toLowerCase();
    for(i=0;i<str.length();i++){
      a[str.charAt(i)]++;;
    }
    }
    for(char ch='a';ch<='z';ch++){
      System.out.println(ch+" : "+a[ch]);
    }
    sc.close();
    
  }
}

