N = int(input())

primes = []
for i in range(2, N+1):
    flg = True
    for j in primes:
        if i % j == 0:
            flg = False
            break
    if flg:
        primes.append(i)

dp = [False] * (N + 1)
dp[0] = dp[1] = True # 初期値(先攻が負けることはない)
for i in range(2, N + 1):
    for prime in primes:
        if prime > i:
            break
        if not dp[i - prime]:
            dp[i] = True
            break

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