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

public class TCPClient {

    public static void main (String args[]) {

        // arguments supply message and hostname of destination
        Socket s = null;
        try {
            int serverPort = 7896;
            s = new Socket(args[1], serverPort);
            DataInputStream in = new DataInputStream(s.getInputStream());
            DataOutputStream out = new DataOutputStream(s.getOutputStream());
            out.writeUTF(args[0]); // UTF is a string encoding
            String data = in.readUTF();
            System.out.println("Received: "+ data) ;
            s.close();
        } catch (UnknownHostException e) {
            System.out.println("Sock: "+e.getMessage());
        } catch (EOFException e) {
            System.out.println("EOF: "+e.getMessage());
        } catch (IOException e) {
            System.out.println("IO: "+e.getMessage());
        } finally {
            if (s != null) {
                try {
                    s.close();
                } catch (IOException e) {
                    System.out.println("IO: "+e.getMessage());
                }
            }
        }

    }

}