#プライムナンバーゲーム

N = int(input())

p = [True for i in range(N+1)]
p_list = []

b = [False for i in range(N + 1)]

for i in range(2 , N+1):
    if p[i]:
        p_list.append(i)
        for j in range(N // i + 1):
            p[i * j] = False
    else:
        continue

for i in range(2 , N + 1):
    if b[i]:
        continue
    else:
        for k in p_list:
            if i + k <= N:
                b[i + k] = True
            else:
                continue

if b[-1]:
    print("Win")
else:
    print("Lose")