object Main extends App {
      val sc = new java.util.Scanner(System.in)
      val line = sc.nextLine().split(" ")
      val ret = (for {
        x <- line
      } yield {
        x.toInt
      }).reduce((a, b) => a * b) match {
        case i if (i % 2) == 0 => "Even"
        case _ => "Odd"
      }
      println(ret)
}