import java.util.*;
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 % 2 == 1 && b % 2 == 1) {
            System.out.println("Odd")
        }else{
            System.out.println("Even")
        }
    }
}
