object Main extends App {
  
  val sc = new java.util.Scanner(System.in)
  val a, b = sc.nextInt()
  if (a <= 0 && 0 <= b) {
    println("Zero")
  } else if (a < 0 && a.abs % 2 != 0) {
    println("Negative")
  } else {
    println("Positive")
  }  
}