import scala.io.StdIn.readLine

object Main extends App {
  println {
    readLine.trim match {
      case "1 0 0" => "Close"
      case "0 1 0" => "Close"
      case "1 1 0" => "Open"
      case "0 0 1" => "Open"
      case "0 0 0" => "Open"
      case _ => "Close"
    }
  }
}