import java.net.*;
import java.io.*;

public class echoInputThread extends Thread {

  InetAddress server;
  int echoPort = 7;
  DatagramSocket theSocket;
  
  public echoInputThread(InetAddress ia, DatagramSocket ds) {
  
    server = ia;
    theSocket = ds;
    
  }

  public void run() {

    DataInputStream userInput;
    String theLine;
    DatagramPacket theOutput;

    try {
      userInput = new DataInputStream(System.in);
      while (true) {
        theLine = userInput.readLine();
        if (theLine.equals(".")) break;
        byte[] data = new byte[theLine.length()];
        theLine.getBytes(0, theLine.length(), data, 0);
        theOutput = new DatagramPacket(data, data.length, server, echoPort);
        theSocket.send(theOutput);
        Thread.yield();
      }

    }  // end try
    catch (IOException e) {
      System.err.println(e);
    }

  }  // end run

}