# Author : virualv
# Time : 9/20/2018 3:45 PM
import cal
# s1 = input('cal')
# ret1 = cal.add_sub(s1)
# print(ret1)
from cal import add_sub
# s = input('cal')
# ret =mult_dev(s)
# print(ret)

from cal import *
print()

from cal import add_sub as add
# add()

from fuct import gmo
gmo

# import fuct.fuct1.boj #错误的调用方式
from fuct.fuct1 import boj
boj


