using System;

public class Program

{

    public static void Main()

    {

         int n;

        Console.WriteLine("Enter 999 to exit the loop");

        do

        {

            Console.WriteLine("Your number");

            int.TryParse(Console.ReadLine(), out n);

            Console.WriteLine("Number your entered is" + n);

        } while (n !=999);

            Console.WriteLine("Loop ended");

    }

}