mport java.util.*;

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");
        }
    }
}