import java.net.DatagramPacket;
import java.net.DatagramSocket;

class UDPServer
{
    public static void main(String args[]) throws Exception
    {
        System.out.println("Java : " + Runtime.version().toString());
        DatagramSocket serverSocket = new DatagramSocket(7053);
        byte[] receiveData = new byte[1024];
        DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
        serverSocket.receive(receivePacket);
    }
}