frekuensi_karakter

import java.util.Arrays;
import java.util.Scanner;

public class frekuensi_karakter {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String input = sc.nextLine();
        int[] score = new int[95];
        for (int i = 0; i < input.length(); i++) {
            score[(int)input.charAt(i)-' ']++;
        }
        for (int i = 0; i < score.length; i++) {
            char x = (char) (i+' ');
            if (score[i] > 0)
                System.out.println(x + ": " + score[i]);
        }
    }
}