using System;

​

using System.Text;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(PrintBytes("hello"));

        Console.WriteLine(PrintBytes("Hello"));

        Console.WriteLine(PrintBytes("IIIII"));

        Console.WriteLine(PrintBytes("iiii"));

        Console.WriteLine(PrintBytes("İİİİ"));

        Console.WriteLine(PrintBytes("ıııı"));

    }

    public static string PrintBytes(string str)

    {

        var bytes= Encoding.UTF8.GetBytes(str);

        return String.Format("string: {0}, byte:{1}", str, BitConverter.ToString(bytes));

    }

}