using System;

public class Program

{

    public static void Main()

    {   

        /*

        Math.Round(2.5);

        Console.WriteLine(Math.Round(2.5));

        Math.Round(2.5, MidpointRounding.AwayFromZero);

        Console.WriteLine(Math.Round(2.5, MidpointRounding.AwayFromZero));

        */

        double defaultRounding = 1;

        for(int i=1; i<100; i++)

            defaultRounding = Math.Round(defaultRounding + 0.5);

        Console.WriteLine(defaultRounding);

        double awayFromZeroRounding = 1;

        for(int i=1; i<100; i++)

            awayFromZeroRounding = Math.Round(awayFromZeroRounding + 0.5, MidpointRounding.AwayFromZero);

        Console.WriteLine(awayFromZeroRounding);

    }

}