#!/usr/bin/env python 

""" 
An echo client that allows the user to send multiple lines to the server. 
Entering a blank line will exit the client. 
""" 

import socket 
import sys 

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
s.connect((sys.argv[1],50000)) 
s.send(sys.stdin.readline()) 
s.close()