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 == 1) {
            System.out.println("Odd");
        } else {
            System.out.println("Even");
        }
    }
}