prime = []
def setPrime(n):
    n += 1
    alive = [True] * n
    i = 2
    while i < n:
        if alive[i]:
            prime.append(i)
            j = 2 * i
            while j < n:
                alive[j] = False
                j += i
        i += 1

N = int(input())
setPrime(N)
dp = [False] * (N + 1)
dp[0] = dp[1] = True
for i in range(2, N + 1):
    for p in prime:
        if i - p < 0:
            break
        dp[i] |= not dp[i - p]

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