AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.
def main(a, b):
	return "Odd" if a*b % 2 else "Even"
  
  
a, b = input().split()

ans = 'Odd' if int(a) * int(b) % 2 else 'Even'
print(ans)