fun main(args: Array<String>) { 
  val n = readLine()!!.toInt()
  val prime_check = (0..10001).map { x -> 1 }.toMutableList()
  val prime_list:MutableList<Int> = mutableListOf()
  val dp:MutableSet<Int> = mutableSetOf(0, 1)
  (2..n+1).map { x -> 
    if(prime_check[x] == 1) { 
      prime_list.add(x)
      (x*2..10001 step x).map { x2 ->
        prime_check[x2] = 0
      }
    }
    for(x2 in prime_list) { 
      if( !dp.contains(x - x2) ) {
        dp.add(x)
        break
      }
    }
  }
  if( dp.contains(n) ) { 
    println("Win")
  } else {
    println("Lose")
  }
}