using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string input ="Hello World";

         FindRepeated(input);

    }

    static void FindRepeated(string input)

    {

        Dictionary<char, int> charCount= new Dictionary<char, int>();

        foreach(char c in input)

        {

            if(charCount.ContainsKey(c))

            {

                charCount[c]++;

            }

            else{

            charCount[c]=1;

            }

        }

            foreach(var item in charCount)

            {

                if(item.Value>1)

                {

                    Console.WriteLine($"character {item.Key} count {item.Value}");

                }

            }

    }

}