import java.io.DataOutputStream;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Main {
    public static void main(String[] args) {
        try {
            int playerCount = args[0] == null ? 50000 : Integer.parseInt(args[0]);
            ServerSocket listenerSocket = new ServerSocket(43594);
            while (listenerSocket.isBound()) {
                Socket sock = listenerSocket.accept();
                InputStream is = sock.getInputStream();
                DataOutputStream dos = new DataOutputStream(sock.getOutputStream());
                if (is.read() == 16) {
                    dos.writeShort(playerCount);
                    dos.write(2);
                } else {
                    System.out.println("Unsupported request");
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}