public class Product {
    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("Even");
        } else {
            System.out.println("Odd");
        }
    }
}