N = int(input())

is_prime = [True] * (N + 1)
is_prime[0] = is_prime[1] = False

for i in range(2, int(N ** 0.5) + 1):
    if is_prime[i]:
        for j in range(i * i, N + 1, i):
            is_prime[j] = False

primes = []
for i in range(2, N + 1):
    if is_prime[i]:
        primes.append(i)
        

dp = [False] * (N + 1)
dp[0] = dp[1] = False

for i in range(2, N + 1):
    for p in primes:
        if p > i:
            break
        # N'が0または1になる手は選べない（その手を打つと負け）
        if i - p >= 2 and not dp[i - p]:
            dp[i] = True
            break

print("Win" if dp[N] else "Lose")