import java.util.*;
 
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("Even");
    }else{
      System.out.println("Odd");
    }
  }
}