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

n = int(input())
if Prime[n - 2]:
    print("Win")
else:
    print("Lose")