using System;

internal class Test
{
    private static int? a;

    private static int? A
    {
        get { Console.WriteLine("A Accessed"); return a; }
        set { a = value; }
    }

    private static int? b;

    private static int? B
    {
        get { Console.WriteLine("B Accessed"); return b; }
        set { b = value; }
    }

    private static int? c;

    private static int? C
    {
        get { Console.WriteLine("C Accessed"); return c; }
        set { c = value; }
    }

    //public int? testing { get; set; }

    private static void Main()
    {
        Console.WriteLine("First case");

        A = 4;
        B = 4;
        c = 4;

        int? something2 = (A ?? B) ?? C;
    }
}