N = int(input())

hurui = set(range(2, N+1))
for i in range(2, N+1):
    for j in range(i*2, N+1, i):
        hurui.discard(j)

f = [False]*100000
f[0] = True
f[1] = True
for i in range(2, N+1):
    flag = False
    for j in hurui:
        if j > i:
            continue
        if not f[i-j]:
            flag = True
            break
    f[i] = flag

if f[N]:
    print("Win")
else:
    print("Lose")