using System;

using System.Linq;

using System.Globalization;

using System.Text;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(CheckNames("Ayhan XYZ", "Bayramin Okutucu Arslan", "Ayhan", "Okutucu Bayramin XYZ"));

    }

​

    private static bool CheckNames(string enteredFirstName, string enteredLastName, string kpsFirstName, string kpsLastName)

    {

        var clearEnteredFirstName = ConvertTextToEnglish(enteredFirstName.ToLower());

        var clearEnteredLastName = ConvertTextToEnglish(enteredLastName.ToLower());

​

        var enteredFirstNameArray = clearEnteredFirstName.Split(' ');

        var enteredLastNameArray = clearEnteredLastName.Split(' ');

​

​

        var clearKpsFirstName = ConvertTextToEnglish(kpsFirstName.ToLower());

        var clearKpsLastName = ConvertTextToEnglish(kpsLastName.ToLower());

​

        var kpsFirstNameArray = clearKpsFirstName.Split(' ');

        var kpsLastNameArray = clearKpsLastName.Split(' ');

​

        return kpsFirstNameArray.All(enteredFirstNameArray.Contains) && kpsLastNameArray.All(enteredLastNameArray.Contains);

    }

​

    private static string ConvertTextToEnglish(string text)

    {

        var result = string.Join("", text.Normalize(NormalizationForm.FormD)

                .Where(c => char.GetUnicodeCategory(c) != UnicodeCategory.NonSpacingMark));

        return result.Replace("�", "i");