import math
tab = []
run = True
while run:
tab = input().split()
if len(tab) == 0:
run = False
else:
num1 = int(tab[1])
num2 = int(tab[2])
if tab[0] == "+":
x = num1 + num2
print(int(x))
tab = []
elif tab[0] == "-":
x = num1 - num2
print(int(x))
tab = []
elif tab[0] == "*":
x = num1 * num2
print(int(x))
tab = []
elif tab[0] == "/":
x = math.floor(num1 / num2)
print(int(x))
tab = []
elif tab[0] == "%":
x = num1 % num2
print(int(x))
tab = []
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