N = int(input())
C = [0] + [1] * N
C[1] = D = 0
while D ** 2 <= N:
	if C[D]:
		for c in range(D * 2, N + 1, D): C[c] = 0
	D += 1
P = [i for i in range(N + 1) if C[i]]
D = [1] + [0] * N * 2
D[1] = 1
for i in range(N):
	for p in P: D[i + p] |= D[i] ^ 1
print(["Lose", "Win"][D[N]])