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

public class KnockKnockClient {
	
    public static void main(String[] args) throws IOException {
		
		Socket kkSocket = null;
		PrintWriter out = null;
		BufferedReader in = null;
		
		try {
			kkSocket = new Socket(args[0], Integer.parseInt(args[1]));
			out = new PrintWriter(kkSocket.getOutputStream(), true);
			in = new BufferedReader(new InputStreamReader(kkSocket.getInputStream()));
		} catch (UnknownHostException e) {
			System.err.println("Don't know about host: " + args[0]);
			System.exit(1);
		} catch (IOException e) {
			System.err.println("Couldn't get I/O for the connection to: " + args[0]);
			System.exit(1);
		}
		
		BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
		String fromServer;
		String fromUser;
		
		while ((fromServer = in.readLine()) != null) {
			System.out.println("Server: " + fromServer);
			if (fromServer.equals("Bye."))
				break;
		    
			fromUser = stdIn.readLine();
			if (fromUser != null) {
				System.out.println("Client: " + fromUser);
				out.println(fromUser);
			}
		}
		
		out.close();
		in.close();
		stdIn.close();
		kkSocket.close();
    }
}