import sys


def eratosthenes(N):
    L = [True] * (N + 1)

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

    return [i for i, b in enumerate(L[2:], 2) if b]


def resolve(in_):
    N = int(next(in_))
    primes = eratosthenes(N)

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

    for n in range(2, N + 1):
        for prime in primes:
            p = n - prime
            if p < 0:
                break
            if dp[p] is False:
                dp[n] = True
                break

    return 'Win' if dp[N] else 'Lose'


def main():
    ans = resolve(sys.stdin.buffer)
    print(ans)


if __name__ == '__main__':
    main()