# -*- coding: utf-8 -*-

primes = [2]

for i in xrange(3, 10000, 2):
    for p in primes:
        if i % p == 0:
            break
    else:
        primes.append(i)

n, = map(int, raw_input().split())

win = [None for x in xrange(10001)]

for i in xrange(2, 10001):
    for p in primes:
        if i - p <= 1:
            win[i] = False
            break
        if win[i-p] == None: continue
        if not win[i - p]:
            win[i] = True
            break
print 'Win' if win[n] else 'Lose'