N=int(input())
LIM=10001
isp=[True]*LIM
isp[0]=isp[1]=False
ls=[]
for i in range(2,LIM):
    if isp[i]:
        ls.append(i)
        for j in range(i*i,LIM,i):
            isp[j]=False

dp=[False]*(N+1)
for i in range(2,N+1):
    if dp[i]: continue
    for p in ls:
        if p+i>N:break
        dp[p+i]=True
print('Win' if dp[N] else 'Lose')