def arithmetic():
    frs = int(input("Enter first number: "))
    scn = int(input("Enter second number: "))
    eqe = input("Operation symbol: ")
    if eqe == "+":
        print(frs + scn)
    elif eqe == "-":
        print(frs - scn)
    elif eqe == "*":
        print(frs * scn)
    elif eqe == "/":
        print(scn / frs)
        return;
arithmetic()