using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Resources;
using System.Text;
using System.Threading;
using System.Globalization;
public class MainClass
{
public static void Main()
{
Encoding utf8 = Encoding.UTF8;
Console.WriteLine(utf8);
}
}
System.Text.UTF8Encoding