def is_bool(x):
	return isinstance(x,int) and bool(1 <= x) and bool(x <= 10000)

def checker(a, b):
	if is_bool(a) and is_bool(b):
		if (a * b) % 2 == 0:
			return 'Even'
		else:
	return 'Odd'

print(checker(2, 3))