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 & 1) == 0) {
            System.out.println("Even");
            return;
        }
        System.out.println("Odd");
    }
}