def sieve_of_eratosthenes(n):
    sieve = [True for _ in range(n + 1)]
    sieve[0:1] = [False, False]

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


def main():
    n = int(input())
    sieve = sieve_of_eratosthenes(n)
    dp = [0] * (n + 1)  # 必勝
    dp[0] = 1  # 必敗
    dp[1] = 1
    for i in range(2, n + 1):
        for p in sieve:
            if i - p < 0:
                break
            if dp[i - p] == 0:
                dp[i] = 1
                break
    if dp[n]:
        print("Win")
    else:
        print("Lose")


if __name__ == "__main__":
    main()