A, op, B = input().split()

a, b = [int(x) for x in [A, B]]

if op == '+':

    ans = a + b

else:

    ans = a - b



print(ans)

import sys



formula = sys.stdin.readline().rstrip()



def main():

    return eval(formula)



if __name__ == '__main__':

    ans = main()

    print(ans)
A, op, B = input().split()
a, b = [int(x) for x in [A, B]]
if op == "+":
    ans = a + b
else:
    ans = a - b
print(ans)

import sys

formula = sys.stdin.readline().rstrip()


def main():
    return eval(formula)


if __name__ == "__main__":
    ans = main()
    print(ans)

-A, op, B = input().split() -a, b = [int(x) for x in [A, B]] -if op == "+": -    ans = a + b -else: -    ans = a - b -print(ans) +import sys + +formula = sys.stdin.readline().rstrip() + + +def main(): +    return eval(formula) + + +if __name__ == "__main__": +    ans = main() +    print(ans)