from math import sqrt
from itertools import takewhile

def primes(n):
    if n < 1:
        return []

    is_prime = [True] * (n+1)
    is_prime[0] = False
    is_prime[1] = False
    for i in range(2, n+1):
        if not is_prime[i]:
            continue
        for j in range(i*2, n+1, i):
            is_prime[j] = False
    return [i for i in range(2, n+1) if is_prime[i]]

def main():
    """ main """
    N = int(input())

    if N < 4:
        print('Lose')
        return

    ps = primes(N)
    dp = set([0, 1])
    for i in range(4, N+1):
        for j in list(takewhile(lambda x: x <= i, ps)):
            if i - j not in dp:
                dp.add(i)
                break

    print('Win' if N in dp else 'Lose')


main()