P = []
Prime = [True for _ in range(10001)]
Prime[0] = Prime[1] = False
for i in range(2, 10001):
    if Prime[i]:
        P.append(i)
        for j in range(2 * i, 10001, i):
            Prime[j] = False

n = int(input())
Win = [False for _ in range(n + 1)]
for i in range(4, n + 1):
    for prime in P:
        if i - prime < 2:
            Win[i] = False
            break
        else:
            if not Win[i - prime]:
                Win[i] = True
                break
if Win[n]:
    print("Win")
else:
    print("Lose")