#!/usr/bin/env python
# Author:  yeho <lj2007331 AT gmail.com>
# Blog:  http://linuxeye.com

import socket,sys
sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sk.settimeout(1)
try:
  sk.connect((sys.argv[1],int(sys.argv[2])))
  print ('ok')
except Exception:
  print ('no')
sk.close()