import java.util.Scanner;
public class Main{
    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("Odd");
        }
        else{
            System.out.println("Even");
        }
    }
}