def calc(x,o,y):
    if o == '+':
        return x + y
    elif o == '-':
        return x - y
    elif o == '*':
        return x * y
    elif o == '/':
        return x / y


x = int(input())
o = input()
y = int(input())

print(calc(x,o,y))
print(calc(5,'*',5))