using System;
using System.IO;
using System.Net;
using System.Text;

namespace ConsoleApplication6
{
	class Program
	{
		static void Main(string[] args)
		{
			if (args.Length != 1)
				return;
			try
			{
				HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(args[0]);
				httpWebRequest.Method = "GET";
				httpWebRequest.Accept = "text/html";
				httpWebRequest.Proxy = null;
				Console.WriteLine("Запрос создан");
				WebResponse webResponse = httpWebRequest.GetResponse();
				Console.WriteLine("Запрос отправлен");
				Stream inputStream = webResponse.GetResponseStream();
				StreamReader steramReader = new StreamReader(inputStream, Encoding.UTF8);
				string htmlPage = steramReader.ReadToEnd();
				Console.WriteLine("Страница получена");
				if (File.Exists(httpWebRequest.Address.Host))
					File.Delete(httpWebRequest.Address.Host);
				File.WriteAllText(httpWebRequest.Address.Host + ".html", htmlPage);
				Console.WriteLine("Страница сохранена в файл {0}.html", httpWebRequest.Address.Host);
				steramReader.Close();
				inputStream.Close();
				webResponse.Close();
			}
			catch (Exception e)
			{
				Console.WriteLine(e.Message);
				Console.WriteLine(e.Source);
			}
		}
	}
}