#!/usr/bin/env python
# -*- coding:utf-8 -*-

'''
from backend import account
account.login()
account.logout()

import backend.account
backend.account.login()
'''

data = raw_input('请输入地址： ')
array = data.split('/')

userspace = __import__('backend.'+array[0])       #<module 'backend' from 'D:\python-test\backend\__init__.pyc'>
model = getattr(userspace,array[0])　　　　　　　　　#<module 'backend.account' from 'D:\python-test\day3\backend\account.pyc'>
fun = getattr(model,array[1])

print fun()