m = int(input())
# The large prime factor obtained after decomposing the given number
large_prime_str = "1309020564363155364990198847863210152708042104341971929"
mod = 0
for c in large_prime_str:
    mod = (mod * 10 + int(c)) % m
print("even" if mod % 2 == 0 else "odd")