using System;

using System.IO;

using System.Net.Http;

public class Program

{

    public static void Main()

    {

        var client = new HttpClient();

        var stream = client.GetStreamAsync("https://fast.wistia.net/embed/captions/zpjkghs01u.vtt?language=eng").Result;

        var i = 0;

        using(var reader = new StreamReader(stream))

        {

            reader.ReadLine();

            while(!reader.EndOfStream) 

            {

                if(i == 3) {

                    Console.Write(reader.ReadLine() + " ");

                    i = 0;  

                }

                else {

                    reader.ReadLine();

                    i++;

                }

            }

        }

    }

}