/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		char Char;
		int count;
		String s = "Par programming is fun!";
		s = s.toLowerCase();
		String carateresSaidos = "";
 
		for (Char = 0; Char <= s.length()-1; Char++) {
		    count = 0;
 
		    if (carateresSaidos.indexOf(s.charAt(Char))==-1){
			    for (int i = 0; i < s.length(); i++) {
			        if (s.charAt(i) == s.charAt(Char)) {
			            count++;
			        }
			    }
			    if (count > 1){
			    	System.out.println("Number of occurences of " + s.charAt(Char) + " is " + count);
			    }
			    carateresSaidos+=s.charAt(Char);
		    }
		}
	}
}

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