/* input a String and this program will count the occurrences of each letter.   */
 
import java.util.*;						// Scanner

public class Prog6_23
{
	public static void main(String[] args)
	{
		Scanner in=new Scanner(System.in);
		System.out.print("Enter a String and I will tell you the number of occurrences of every letter  ");
		String temp = in.nextLine();
		int count;
		for(char c='a';c<='z';c++)			// iterate for each lower case letter
		{
			count = countOccurrences(temp, c);	// count number of times the lower case letter appears in the String
			if(count>0) System.out.println(c + " appears " + count + " times");  // if it appears, output how many times
		}
	}
	
	
	// iterate through the String and compare each lower case version of the letter at that indext to c, returning the count
	public static int countOccurrences(String temp, char c)
	{
		int count = 0;
		for(int i=0;i<temp.length();i++)
		{
			if(c==temp.toLowerCase().charAt(i)) count++;
		}
		return count;
	}
}