using System;

​

public class Program

{

    public static void Main()

    {

        int? nullInt=null;

        double? nullDoub=null;

        Console.WriteLine("Nullable Int: {0}, Nullable Double: {1}", nullInt, nullDoub);

        nullInt = 123;

        nullDoub = 12.667;

        Console.WriteLine("Nullable Int(assigned val): {0}, Nullable Double(assigned val): {1}", nullInt, nullDoub);

    }

}