import java.util*;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt()+
      if((a * b % 2) == 0){
        System.out.println("Odd");
      }else{
        System.out.println("Even");
      }
  }
}