zad2

using System;
using System.Threading.Tasks;
using System.Net.Http;

namespace lab1
{
    class Program
    {
        static readonly HttpClient client = new HttpClient();

        static async Task Main()
        {
            Console.WriteLine("Podaj adres strony: ");
            Console.Write("http://www.");
            string url = "http://www." + Console.ReadLine();

            try
            {
                Console.WriteLine("Trwa zliczanie znaków...");
                HttpResponseMessage response = await client.GetAsync(url);
                response.EnsureSuccessStatusCode();
                string responseBody = await response.Content.ReadAsStringAsync();

                Console.WriteLine(responseBody.Length);
            }
            catch (HttpRequestException e)
            {
                Console.WriteLine("\nBledny adres lub strona nie istnieje.");
            }
        }
    }
}