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

public class ChatClient
{
    public static final int    CHAT_PORT   = 3737;
    public static final String EXIT_STRING = "LOGOUT";

    public static void main( String [] args )
    {
        Socket s = null;

        if( args.length != 1 )
        {
            System.out.println( "Usage: ChatClient servername" );
            return;
        }
        try
        {
            s = new Socket( args[ 0 ], CHAT_PORT );

              // Start the listening thread
            Thread t = new GetIncoming( s );
            t.start( );

              // Main thread reads from user, and sends to server
            InputStreamReader in = new InputStreamReader( System.in );
            BufferedReader is = new BufferedReader( in );
            PrintWriter os = new PrintWriter( s.getOutputStream( ), true ); // Autoflush
            String str;
             

            while( ( str = is.readLine( ) ) != null )
            {
                if( str.trim( ).equals( EXIT_STRING ) )
                    break;
                os.println( str );
            }
        }
        catch( Exception e )
        {
            System.out.println( e );
        }
        finally
        {
            try { if( s != null ) s.close( ); }
            catch( IOException e ) { System.out.println( e ); }
        }
    } 
}

class GetIncoming extends Thread
{

    private Socket incoming;

    public GetIncoming( Socket sock )
    {
        incoming = sock;
    }
 
    public void run( )
    {

        try
        {
            InputStreamReader in = new InputStreamReader( incoming.getInputStream( ) );
            BufferedReader is = new BufferedReader( in );

            String str;
            while( ( str = is.readLine( ) ) != null )
                System.out.println( str );
        }
        catch( java.net.SocketException e )
        {
            System.out.println( "Connection terminated" );
        }
        catch( IOException e )
        {
            System.out.println( e );
        }
        finally
        {
            try { if( incoming != null ) incoming.close( ); }
            catch( IOException e ) { System.out.println( e ); }
        }
    }
}