N = int(input())
memo = [False] * (N+1)
prime = []

memo[0] = True
memo[1] = True

#素数列を作る(=prime)
for n in range(2,N+1):
    flag = True
    for m in range(2, n):
        if n%m == 0:
            flag = False
            break
    if flag: prime.append(n)

for i in range(N+1):
    if not memo[i]:
        for p in prime:
            if i + p <= N: memo[i + p] = True

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