number_N1 = int(input())
number_N2 = int(input())
operation = input()
result = 0

if operation == "+":
    result = number_N1 + number_N2
elif operation == "-":
    result = number_N1 - number_N2
elif operation == "*":
    result = number_N1 * number_N2
elif operation == "/" and number_N2 != 0:
    result = number_N1 / number_N2
elif operation == "%" and number_N2 != 0:
    result = number_N1 % number_N2
if (operation == "/" or operation == "%")and number_N2 == 0:
    print(f"Cannot divide {number_N1} by zero")
elif operation == "+" or operation == "-" or operation == '*':
    if result % 2 == 0:
        print(f"{number_N1} {operation} {number_N2} = {result} - even")
    else:
        print(f"{number_N1} {operation} {number_N2} = {result} - odd")
elif operation == "/":
    print(f"{number_N1} {operation} {number_N2} = {result:.2f}")
else:
    print(f"{number_N1} {operation} {number_N2} = {result}")