using System;
using System.Threading;

public class Test
{
	private static void MyFunc(AutoResetEvent ev)
	{
		Thread.Sleep((int)(new Random().NextDouble() * 1000));
		ev.Set();
	}
	
	public static void Main()
	{
		AutoResetEvent[] evs = {new AutoResetEvent(false), new AutoResetEvent(false), new AutoResetEvent(false)};
		Thread thread1 = new Thread(() => MyFunc(evs[0]));
	    Thread thread2 = new Thread(() => MyFunc(evs[1]));
	    Thread thread3 = new Thread(() => MyFunc(evs[2]));
	
	   	thread1.Start();
	   	thread2.Start();
	   	thread3.Start();

		int winner = WaitHandle.WaitAny(evs);
		
        Console.WriteLine("The winner is thread{0}", winner + 1);
	}
}