def prime(N):
    pr=[2]
    pa=[n for n in range(3,N+1,2)]
    R =int(N**0.5)
    m =3
    while m<=R:
        pr.append(m)
        pa=[n for n in pa if n%m]
        m=pa[0]
    return pr+pa

def main():
    N =int(input())
    pa=prime(N)
    pb=[0]*(N+1)
    for i in range(4,N+1):
        for j in pa:
            if i-j<2:       continue
            if pb[i-j]>0:   continue
            pb[i]=1
    print(["Lose","Win"][pb[N]])

main()