num_1 = int(input())
num_2 = int(input())
operator = input()

result = None

if operator == "+" or operator == "-" or operator == "*" or operator == "/" or operator == "%":
    if operator == "+":
        result = num_1 + num_2
    elif operator == "-":
        result = num_1 - num_2
    elif operator == "*":
        result = num_1 * num_2
    elif operator == "/":
        if num_2 == 0:
            print(f"Cannot divide {num_1} by zero")
        else:
            result = num_1 / num_2
            print(f"{num_1} {operator} {num_2} = {result:.2f}")
    elif operator == "%":
        if num_2 == 0:
            print(f"Cannot divide {num_1} by zero")
        else:
            result = num_1 % num_2
            print(f"{num_1} {operator} {num_2} = {result}")


if operator == "+" or operator == "-" or operator == "*":
    if result % 2 == 0:
        print(f"{num_1} {operator} {num_2} = {result} - even")
    else:
        print(f"{num_1} {operator} {num_2} = {result} - odd")