import java.net.*;

public class recive {
    public static void main(String[] argv)
        throws Exception {
            DatagramSocket receiveSocket = new DatagramSocket(10000);
            byte receiveBuffer[] = new byte[1024];
            DatagramPacket receivePacket = 
                new DatagramPacket(receiveBuffer, receiveBuffer.length);
            while (true) {
                receiveSocket.receive(receivePacket);
                System.out.println(new String(receivePacket.getData(), 
                    0, receivePacket.getLength()));
            }
        }
}