import java.util.Scanner;

public class App {

    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");
        }
    }
}