n = int(input())

prime_bool = [0]*2+[1]*(n-1)
for i in range(2,n+1):
    if prime_bool[i] == 1:
        for j in range(i*2, n+1, i):
            prime_bool[j] = 0

lose_set = {2,3}
for i in range(4,n+1):
    if not(any([prime_bool[i-x]==1 for x in lose_set])):
        lose_set |= {i}

print('Lose' if n in lose_set else 'Win')