<reponame>ShawnyXiao/2017-CCF-BDCI-AIJudge<gh_stars>100-1000
# coding=utf-8
import time


def log(stri):
    now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
    print(str(now) + ' ' + str(stri))

# coding=utf-8
import time


def log(stri):
    now = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
    print(str(now) + ' ' + str(stri))
# coding=utf-8