using System;

​

public class Program

{

    public static void Main()

    {

        // Implicit conversion. num long can 

        // hold any value an int can hold, and more! (smaller type to larger type)

        double num = 2147483647.00;

        //num += 0.0001;

        Console.WriteLine("Double {0} double round: {1}", num, Math.Round(num, 2));

    }

}