object Main{
  def main(args: Array[String]) {
    val sc = new java.util.Scanner(System.in)
    val a = sc.nextInt
    val b = sc.nextInt

    val oe = (a * b % 2) match {
      case 0 => "Even"
      case 1 => "Odd"
    }
    println(oe)
  }
}
