def prime(N):
    pr=[1]*(N+1)
    R =int(N**0.5)
    for i in range(2,R+1):
        if pr[i]:
            for j in range(i+i,N+1,i):
                pr[j]=0
    return [n for n in range(2,N+1) if pr[n]]

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:       break
            if pb[i-j]>0:   continue
            pb[i]=1
    print(["Lose","Win"][pb[N]])

main()