import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        if (a%2 == 1 && b%2 == 1) {
            System.out.println("Odd");
        } else {
            System.out.println("Even");
        }
    }
}