using System;

public class Program

{

    public static void Main()

    {

        int num = 23321;

        //Convert an integer number to binary with Recursion:

        Console.WriteLine("------------------------------------------------------"); 

        Console.Write(" The binary equivalent of {0} is : ", num);

        IntToBinary(num);

        Console.ReadLine();

        Console.Write("\n");

    }

    public static int IntToBinary(int num)

    {

          int bin;

        if (num != 0)

        {

            bin = (num % 2) + 10 * Program.IntToBinary(num / 2);

            Console.Write(bin);

            return 0;

        }

        else

        {

            return 0;

        }

    }

}