# input
a, b = input().split()

# constraints
if type(a)!='int' or type(b)!='int':
    print('型がintではありません')
    raise TypeError

if a > 1000 or b > 10000 or a<0 or b<0:
    print('制約違反です')
    raise ValueError
    

# result
if (a*b)%2 == 0:
    print('Even')
else:
    print('odd')    