using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine(Math.Round(3.465, 2, MidpointRounding.AwayFromZero));

        Console.WriteLine(Math.Round(3.465, 2));

        Console.WriteLine(Math.Round(3.475, 2));

        Console.WriteLine(Math.Round(3.485, 2));

        Console.WriteLine(Math.Round(3.486, 2));

    }

}