using System;

using MongoDB.Bson;

public class Program

{   

    public static void Main(string[] args)

    {

        var bsonWithLed = new BsonDocument();

        bsonWithLed.Add(new BsonElement("LED_Id", 5));

        var LED_Id_default = (new BsonDocument().GetValue("LED_Id", "1")).AsInt32;

        if(LED_Id_default > 2){

            Console.WriteLine($"1 - First");

        }else{

            Console.WriteLine($"1 - Second");

        }

        var LED_Id_exists = (bsonWithLed.GetValue("LED_Id", "1"));

        if(LED_Id_exists > 999){

            Console.WriteLine($"2 - First");

        }else{

            Console.WriteLine($"2 - Second");

        }

    }

}