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