m = int(input())
mod = 20 * m
current = 0
n_str = "26180411287263107299803976957264203054160842086839438580"
for c in n_str:
    current = (current * 10 + int(c)) % mod

remainder = current // 20
result = remainder % m
print("even" if result % 2 == 0 else "odd")