public class Test {

	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");
		}

	}

}