A, op, B = [str(i) for i in input().split()]
if op == '+':
    ans = int(A) + int(B)
else:
    ans = int(A) - int(B)
print(ans)

19e42f98327933e6f5f7d733e8ecb7d02c0116fa
<mask token>

<mask token>
if op == '+':
    ans = int(A) + int(B)
else:
    ans = int(A) - int(B)
print(ans)

A, op, B = [str(i) for i in input().split()]
if op == '+':
    ans = int(A) + int(B)
else:
    ans = int(A) - int(B)
print(ans)
