using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Random rnd = new Random();
            int i;
            do
            {
                i = rnd.Next(0, 1000);

                #if DEBUG
                Console.WriteLine("number: " + i);
                #endif

            } while (i != 1);

        }
    }
}