N=int(input())

l=N+1
P=[1]*l
for i in range(2,l):
  if P[i]:
    for j in range(i+i,l,i):
      P[j]=0
P=[i for i in range(2,l) if P[i]]

q=[0]*(N+1)
for i in range(4,N+1):
  g=[0]*(len(P)+1)
  for p in P:
    if 2<=i-p:
      g[q[i-p]]=1
  for j in range(len(P)+1):
    if g[j]==0:
      q[i]=j
      break

print(["Lose","Win"][q[N]>0])