using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    static int countDuplicateString(string s1){

        int intToReturn=0;

        for(int i=0; i<s1.Length;i++){

            //"a,a,a,b,b,b,c,c,c"

            //"0,1,2,3,4,5,6,7,8"

        }

        return intToReturn;

    }

    static int countDuplicateInts(int[] arr1){

        int intToReturn=0;

        return intToReturn;

    }

}