import sys
input = lambda :sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
ms = lambda: map(str, input().split())
mf = lambda: map(float, input().split())
li = lambda: list(mi())

A = ii()
B = ii()
print("Even" if A * B % 2 == 0 else "Odd")