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

public class DaytimeClient {

public static void main(String[] args) {
  String hostname;
  if (args.length > 0) {
    hostname = args[0];
  }
  else {
    hostname = "localhost";
  }
  try {
    Socket theSocket = new Socket(hostname, 13);
    InputStream timeStream = theSocket.getInputStream();
    StringBuffer time = new StringBuffer();
    int c;
    while ((c = timeStream.read()) != -1) time.append((char) c);
      String timeString = time.toString().trim();
      System.out.println("It is " + timeString + " at " + hostname);
    } // end try
    catch (UnknownHostException e) {
      System.err.println(e);
    }
    catch (IOException e) {
      System.err.println(e);
    }
  } // end main
} // end DaytimeClient