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

public class Server
{
	private static ServerSocket server;
	private static Socket client;
	private static BufferedReader reader;
	private static PrintWriter writer;
	private static Socket feedback;
	
	public static void main(String[] args)throws IOException
	{
		server=new ServerSocket(63400);
		
		while(true)
		{
		client=server.accept();
		reader=new BufferedReader(new InputStreamReader(client.getInputStream()));
		String text=reader.readLine();
		System.out.println("Client: "+text);
		
		reader=new BufferedReader(new InputStreamReader(System.in));
		feedback=new Socket("localhost",63403);
		writer=new PrintWriter(feedback.getOutputStream(),true);
		String txt=reader.readLine();
		writer.println(txt);
		}
	}
}