import java.util.Scanner;

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