import java.io.*;

import java.net.*;

public class EchoServer1

{ public static void main(String[] args )

{ try

{

ServerSocket s = new ServerSocket(8500);

Socket incoming = s.accept( );

BufferedReader in = new BufferedReader

(new InputStreamReader(incoming.getInputStream()));

PRintWriter out = new PrintWriter

(incoming.getOutputStream(), true /* autoFlush */);

out.println( "Hello! Enter BYE to exit." );

boolean done = false;

while (!done)