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();

    String result = (a * b)%2 == 1 ? "Odd": "Even";
    System.out.println(result);
    sc.close();
  }
}