# -*- coding: utf-8 -*-

raw_input('username: ')
n = raw_input('passward: ')
x = 0

if n == '123':
    print '登录成功'
else:
    print '登录失败'

while n != '123' and x < 3:
    n = raw_input('try again: ')
    x = x + 1
    
if x == 3:
    print '失败'
else:
    pass