import sequtils,strutils,strscans,algorithm,math,future,sets,queues,tables
template get():string = stdin.readLine()
template times(n:int,body:untyped): untyped = (for _ in 0..<n: body)

proc getIsPrime(n:int) :seq[bool] =
  result = newSeqWith(n+1,true)
  result[0] = false
  result[1] = false
  for i in 2..n.float.sqrt.int :
    if not result[i]: continue
    for j in countup(i*2,n,i):
      result[j] = false

# lose 2 3 ... <=> win 0 1 4 5 6 7 ...
const isPrime = getIsPrime(10000)
let N = get().parseInt
var win = newSeqWith(N,false)
win[0] = true
win[1] = true
for i in 2..N:
  for j in 2..i:
    if not isPrime[j]: continue
    if not win[i-j]:
      win[i] = true
echo if win[N]: "Win" else: "Lose"