using System;

using System.Threading;

public class Program

{

    static bool connection = true;

    static bool fileAvailable = false;

    static int minPast = 0;

    public static void Main()

    {

        WaitForSomethingOnServer();

    }

    public static void WaitForSomethingOnServer()

    {

        for(;;)

        {

            if(minPast< 15) {

                if(ConnectionToServer())

                {

                    minPast = 0;

                    if(fileAvailable)

                    {

                        break;  

                    }

                    Thread.Sleep(60);

                }

                else{

                    minPast++;

                    Thread.Sleep(60);

                }

            }

            else{

                Console.WriteLine("error");

                minPast = 0;

                    break;

            }

        }

    }

    public static bool ConnectionToServer()

    {

        // Check dingen

        return connection = !connection;        

    }

}