'''
Created on 2017年9月19日

@author: fanghuabao
'''


a = 21
b = 10
c = 0

c = a + b


print("a + b =",c)

c = a - b
print("a - b = ",c)

c = a*b
print("a*b = ",c)

c = a/b
print("a/b=",c)

c = a%b 
print("a%b=",c)
