object Main {

  import java.util.Scanner

  def main(args: Array[String]): Unit = {
    val scanner = new Scanner(System.in)

    val a = scanner.nextInt
    val b = scanner.nextInt

    var ans: Int = a * b % 2
    if (ans equals 1) {
      println("Odd")
    } else {
      println("Even")
    }
  }
}
