import scala.annotation.tailrec
import scala.io.StdIn

object Problem007 {

  def primesIn(min: Int, max: Int) = {
    val sq = Math.sqrt(max).toInt

    @tailrec
    def sieve(xs: Seq[Int], result: Seq[Int]): Seq[Int] = {
      if (xs.isEmpty || xs.head > sq) {
        (xs.reverse ++ result).reverse
      } else {
        sieve(xs.tail.filter(_ % xs.head != 0), xs.head +: result)
      }
    }
    sieve((2 to max).toSeq, Seq()).filter(_ >= min)
  }

  def proc(n: Int): String = {
    val primes = primesIn(2, n)
    val win = Array.fill(n + 1)(false)

    for (i <- 2 to n - 2 if !win(i)) {
      for (prime <- primes if i + prime <= n) {
        win(i + prime) = true
      }
    }

    if (win(n)) "Win" else "Lose"
  }

  def main(args: Array[String]) {
    val n = StdIn.readInt()

    val result = proc(n)
    println(result)
  }
}