p = "1309020564363155364990198847863210152708042104341971929"
M = int(input())
if M == 1:
    print("even")  # Any number mod 1 is 0, which is even
else:
    mod = 0
    for c in p:
        mod = (mod * 10 + int(c)) % M
    print("even" if mod % 2 == 0 else "odd")