import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class Client
{
	public static void main (String[] args)
	{
		Socket socket = null;
		BufferedReader input = null;
		PrintWriter output = null;
		
		try
		{
			socket = new Socket ("localhost", 4200);
			input = new BufferedReader (new InputStreamReader (socket.getInputStream ()));
			output = new PrintWriter (socket.getOutputStream (), true);
		}
		catch (Exception e)
		{
			e.printStackTrace ();
		}
		
		int number = 3;
		String line = null;
		
		do
		{
			output.println ("Hello there!");
			output.println (number);
			output.println (number + 5);
			output.println ("Goodbye!");
			
			number = getIntFromServer (input);
			line = getStringFromServer (input);
			
			System.out.println ("Server: " + number);
			System.out.println ("Server: " + line);
			
			if (line.equals ("QUIT"))
				break;
		}
		while (true);
		
		try
		{
			input.close ();
			output.close ();
			socket.close ();
		}
		catch (Exception e)
		{
			e.printStackTrace ();
		}
	}
	
	public static int getIntFromServer (BufferedReader input)
	{
		int result = -1;
		
		try
		{
			String line = input.readLine ();
			result = Integer.parseInt (line);
		}
		catch (Exception e)
		{
			e.printStackTrace ();
		}
		
		return result;
	}
	
	public static String getStringFromServer (BufferedReader input)
	{
		String serverInput = "";
		
		try
		{
			serverInput = input.readLine ();
		}
		catch (Exception e)
		{
			e.printStackTrace ();
		}
		
		return serverInput;
	}
}