# L-15 MCS 260 Mon 1 Oct 2007 : apply
#
# apply() in a simple # calculator
#
from operator import add, sub, mul
ops = { '+':add, '-':sub, '*': mul }
a = input('give first operand : ')
b = input('give second operand : ')
op = raw_input('operator ? (+,-,*) ')
c = apply(ops[op],(a,b))
print '%d %s %d = %d' % (a,op,b,c)