def primelist(m):
    a =[2]
    for i in range(3,m+1,2):
        p =True
        for k in a:
            if i % k == 0:
                p =False
                break
        if p:
            a.append(i)
    return a

N =int(input())
p =primelist(N)
l =["Win","Win"]
for i in range(2,N+1):
    s ="Lose"
    for k in p:
        if i-k < 0:
            break
        elif l[i-k]=="Lose":
            s = "Win"
            break
    l.append(s)
print(l[-1])