N =input();C=[0]+[1]*N;C[1]=d=0;R=range
while d**2<=N:
	if C[d]:
		for c in R(d*2,N+1,d):C[c]=0
	d+=1
P=[i for i in R(N+1)if C[i]]
D=[1]+[0]*N*2;D[1]=1
for i in R(N):
	for p in P:D[i+p]|=D[i]^1
print["Lose","Win"][D[N]]