package syafi;

import java.util.Scanner;
public class CountLetters {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);

        System.out.print("Enter string: ");
        String s = input.nextLine();

        int[] counts = countLetters(s.toLowerCase());
        for(int i = 0; i < counts.length; i++) {
            if (counts[i] != 0)
                System.out.println((char)('a' + i) + " appears " + counts[i] + ((counts[i] == 1) ? " time" : " times"));
        }
    }
    public static int[] countLetters(String s) {
        int[] counts = new int[26];

        for (int i = 0; i < s.length(); i++) {
            if(Character.isLetter(s.charAt(i)))
                counts[s.charAt(i) - 'a']++;
    }
        return counts;
    }

}