using System;
using System.Threading;
using System.IO;

public class Hello
{
	public static void Main() 
	{
		Thread.Sleep(2500);
		string name=AppDomain.CurrentDomain.FriendlyName;
		StreamWriter sw=new StreamWriter(@"c:\"+name+".txt");
		sw.WriteLine("Hello, world");
		sw.Close();
		while(true)
			Thread.Sleep(5000);

	}
}