from itertools import ifilter, islice
def gen_odd():
    n = 3
    while True:
        yield n
        n += 2

def iprimes():
    yield 2
    g = gen_odd()
    while True:
        prime = g.next()
        s_prime = prime * prime
        ps = []
        while s_prime != prime:
            yield prime
            ps.append(prime)
            prime = g.next()
        pred = lambda x, ps = ps: all(x % p for p in ps)
        g = ifilter(pred, g)

n=input()

primes=[]
for i in iprimes():
    if i > n: break
    primes.append(i)

w=[False]*(n+1)
for c in range(2,n+1):
    if w[c]==False:
        for i in [j for j in primes if j+c<=n]:
            w[i+c]=True

print "Win" if w[c] else "Lose"