import math
N = int(input())


def make_prime_list_2(num):
    if num < 2:
        return []

    # 0のものは素数じゃないとする
    prime_list = [i for i in range(num + 1)]
    prime_list[1] = 0 # 1は素数ではない
    num_sqrt = math.sqrt(num)

    for prime in prime_list:
        if prime == 0:
            continue
        if prime > num_sqrt:
            break

        for non_prime in range(2 * prime, num, prime):
            prime_list[non_prime] = 0

    return [prime for prime in prime_list if prime != 0]


kachi = [False] * (N + 1)
kachi[0] = True
kachi[1] = True
for k in range(N):
    if k == 0 or k == 1 or kachi[k]:
        continue
    for i in make_prime_list_2(N):
        if k + i <= N:
            kachi[k + i] = True

if kachi[N]:
    print("Win")
else:
    print("Lose")