using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter a number to count down from");

        int iNum = int.Parse(Console.ReadLine());

        CountDown(iNum);//method call

    }//Main

    static void CountDown(int _iNum)

    {

        if(_iNum <0)

        {

            Console.WriteLine("Blackout!!!");

        }

        else

        {

           Console.WriteLine(_iNum);

               CountDown(_iNum -1);//calling the method minus 1

        }

        //this is more like a loop

    }

}//class