using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            TcpListener server = null;
            try
            {
                int Zmey1direction = 2;
                int Zmey2direction = 3;
                int Zmey3direction = 4;
                int Zmey4direction = 1;
                int Start = 0;
                int BerryX = 15;
                int BerryY = 15;
                int port = 8888;
                IPAddress localAddr = IPAddress.Parse("127.0.0.1");
                server = new TcpListener(localAddr, port);
                server.Start();
                while (true)
                {
                    string mess = "";
                    Random rnd = new Random();
                    TcpClient client = server.AcceptTcpClient();
                    NetworkStream stream = client.GetStream();
                    byte[] data = new byte[256];
                    do
                    {
                        int bytes = stream.Read(data, 0, data.Length);
                        mess += Encoding.UTF8.GetString(data, 0, bytes);
                    } while (stream.DataAvailable);
                    if (mess[0] != '?')
                    {
                        Console.WriteLine(mess);
                    }
                    if (mess == "Zmey1 1")
                        Zmey1direction = 1;
                    else if (mess == "Zmey1 2")
                        Zmey1direction = 2;
                    else if (mess == "Zmey1 3")
                        Zmey1direction = 3;
                    else if (mess == "Zmey1 4")
                        Zmey1direction = 4;

                    else if (mess == "Zmey2 1")
                        Zmey1direction = 1;
                    else if (mess == "Zmey2 2")
                        Zmey1direction = 2;
                    else if (mess == "Zmey2 3")
                        Zmey1direction = 3;
                    else if (mess == "Zmey2 4")
                        Zmey1direction = 4;

                    else if (mess == "Zmey3 1")
                        Zmey1direction = 1;
                    else if (mess == "Zmey3 2")
                        Zmey1direction = 2;
                    else if (mess == "Zmey3 3")
                        Zmey1direction = 3;
                    else if (mess == "Zmey3 4")
                        Zmey1direction = 4;

                    else if (mess == "Zmey4 1")
                        Zmey1direction = 1;
                    else if (mess == "Zmey4 2")
                        Zmey1direction = 2;
                    else if (mess == "Zmey4 3")
                        Zmey1direction = 3;
                    else if (mess == "Zmey4 4")
                        Zmey1direction = 4;

                    else if (mess == "Pause")
                    {
                        if (Start == 1)
                            Start = 0;
                        else
                            Start = 1;
                    }
                    else if (mess[0] == '?')
                    {
                        string response = Zmey1direction.ToString() + Zmey2direction.ToString() + Zmey3direction.ToString() + Zmey4direction.ToString() + Start.ToString();
                        data = Encoding.UTF8.GetBytes(response);
                        stream.Write(data, 0, data.Length);
                    }


                    stream.Close();
                    client.Close();
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(ee.Message);
            }
            finally
            {
                if (server != null) server.Stop();
            }
        }
    }
}