using System;

public class Program

{

    public static void Main()

    {

        var whatnull = (What)null;

        var whatempty = new What();

        whatempty.Awe = 9;

        int? shitter = null;

        Console.WriteLine(string.IsNullOrEmpty(whatnull?.Nice + whatnull?.Sweet));

        Console.WriteLine(string.IsNullOrEmpty(whatempty.Nice + whatempty.Sweet));

        Console.WriteLine((whatempty?.Awe).GetType());

        Console.WriteLine(typeof(int?));

        Console.WriteLine(shitter.GetType());

    }

    public class What

    {

        public string Nice;

        public string Sweet;

        public int Awe;

    }

}