using System;

​

public class Program

{

    public static void Main()

    {

        decimal dec1 = 1.000000000m;

        double dbl11 = 1.000000000;

        Console.WriteLine(dec1); // outputs: 1.000000000 (remembers all 9 zeros)

        Console.WriteLine(dbl11); // outputs: 1

    }

}