using System;
using System.Net;

public class X
{
	/*public static void OnResolved(IAsyncResult res)
	{
		Dns.EndResolve(res);	
	}*/
	public static void Throw(int recurse)
	{
		try
		{
			if(recurse==0)
			{
				throw new Exception("Haha !");
			}	
			Throw(recurse-1);
		}
		catch(Exception err)
		{
			throw err;
		}
	}
	public static void Main()
	{
	/*	Dns.BeginResolve("doesnotexist",new AsyncCallback(OnResolved),
							null);*/
		Throw(4);
	}
}