//Author John T. Rine

import java.io.*;
import java.net.*;
class TCPClient
{
	public static void main(String argv[]) throws Exception
	{
		String sentence;
		String modifiedSentence;
		while(true)
		{
			BufferedReader inFromUser = new BufferedReader( new InputStreamReader(System.in));
			Socket clientSocket = new Socket("localhost", 4000); //new Socket("localhost", 4000);
			DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
			BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
			sentence = inFromUser.readLine();
			outToServer.writeBytes(sentence + '\n');
			modifiedSentence = inFromServer.readLine();
			System.out.println("FROM SERVER: " + modifiedSentence);
		}
  //clientSocket.close();
	}
}