能不能给出题人一点面子啊喂，这是一道C题啊

l = list(input().split())
if l[2] == "+":
    print(int(l[0])+int(l[1]))
elif l[2] == "-":
    print(int(l[0])-int(l[1]))
elif l[2] == "*":
    print(int(l[0])*int(l[1]))
elif l[2] == "/":
    print(int(l[0])//int(l[1]))
elif l[2] == "%":
    print(int(l[0]) % int(l[1]))