def Eratosthenes(n):
    sieve = [True] * ((n + 1) // 2)
    for i in range(1, (int(n ** 0.5) + 1) // 2):
        if sieve[i]:
            for j in range(i * 3 + 1, (n + 1) // 2, i * 2 + 1):
                sieve[j] = False
    res = [i * 2 + 1 for i, s in enumerate(sieve) if s]
    res[0] = 2
    return res


n = int(input())
prime = Eratosthenes(n)
dp = [False] * (n + 1)
dp[0] = dp[1] = True
for i in range(2, n+1):
    for x in prime:
        if i >= x and dp[i - x] == False:
            dp[i] = True
            break

ans = "Win" if dp[n] == True else "Lose"
print(ans)