object Main{
  def main(args: Array[String]){
    val sc = new java.util.Scanner(System.in)
    val a, b = sc.nextInt
    
    val isEven = (x: Int, y: Int) => x * y % 2 == 0

    if(isEven(a, b)){
      println("Even")
    }else{
      println("Odd")
    }
  }
}