while True:
try:
znak=input()
except EOFError: break
#znak=str(input())
nowy=znak.split()
l1=int(nowy[1])
l2=int(nowy[2])
if nowy[0]=='+':
wynik=l1+l2
elif nowy[0]=='-':
wynik=l1-l2
elif nowy[0]=='*':
wynik=l1*l2
elif nowy[0]=='/':
wynik=l1/l2
else:
wynik=l1%l2
print(int(wynik))
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