def is_even(int_num):
    if int_num % 2 == 0:
        return True
    else:
        return False


def main():
    inputs = input("input two integers for this problem: ")
    temp = inputs.split()
    if len(temp) != 2:
        print("input is invalid. input two integers.")
        exit(1)

    # start = time.time()
    a, b = int(temp[0]), int(temp[1])
    if is_even(a * b):
        print("Even")
    else:
        print("Odd")

    # print((time.time() - start) * 1000.0)

main()
