(a, b) = list(map(int, input().split()))

if a % 2 == 1 and b % 2 == 1:

    print("Odd")

else:

    print("Even")
a, b = list(map(int, input().split()))

if a % 2 == 1 and b % 2 == 1:

    print("Odd")

else:

    print("Even")
(a, b) = list(map(int, input().split()))
if a % 2 == 1 and b % 2 == 1:
    print("Odd")
else:
    print("Even")

a, b = list(map(int, input().split()))
if a % 2 == 1 and b % 2 == 1:
    print("Odd")
else:
    print("Even")

-(a, b) = list(map(int, input().split())) +a, b = list(map(int, input().split()))