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

public class EchoClient 
{
   public static void main(String[] args) 
   {
      try 
      {
         Socket echoSocket = new Socket("pirate.shu.edu", 7);
         OutputStream os = echoSocket.getOutputStream();
         DataInputStream is = new DataInputStream(echoSocket.getInputStream());

         int c;
         String responseLine;

         while ((c = System.in.read()) != -1) 
         {
            os.write((byte)c);
            if (c == '\n') 
            {
               os.flush();
               responseLine = is.readLine();
               System.out.println("echo: " + responseLine);
            }
         }
   
         os.close();
         is.close();
         echoSocket.close();
      } 
      catch (Exception e) 
      {
         System.err.println("Exception:  " + e);
      }
   }
}