using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

    static void findBinary( System.Int32 decimal){

        binary = 0;

        if (decimal == 0){

            binary = 0;

        }

        else{

            binary = decimal % 2 + 10 * (findBinary(decimal / 2)

        }

}