n = int(input())

prime_judge_lst = [1]*(n+1)
prime_set = {2}
for i in range(2,n+1):
    if prime_judge_lst[i] == 1:
        prime_set = prime_set|{i}
        for j in range(i*2, n+1, i):
            prime_judge_lst[j] = 0

lose_set = {2,3}
for i in range(4,n+1):
    if not(any([i-x in prime_set for x in lose_set])):
        lose_set = lose_set|{i}
        
print('Lose' if n in lose_set else 'Win')