using System;

using System.Globalization; 

using System.Text;

using System.Linq;

public class Program

{

​

   private static string RemoveZalgo(string input)

   {

            var normalized = input.Normalize(NormalizationForm.FormD).Normalize(NormalizationForm.FormC);

            var cleaned = new string([.. normalized.Where(c => CharUnicodeInfo.GetUnicodeCategory(c) != UnicodeCategory.NonSpacingMark)]);

            return cleaned.Normalize(NormalizationForm.FormC);

    }

    public static void Main()

    {

        var data = "Лящ Річковий Hel ⵉ๊๊ⵉ๊๊ⵉ H̵̡̳͇͈̻̩̟̣̮͙̗̗̬̝͍̹͒̃̓̇̎̒̉̀̃͐́ề̶̛͖̹͍͖̯̘̞̗̲̯̼̠̾̌̈́̑̅́͋̕͜͝ͅl̴̤̦̥̳̩̜͇̖̞͓̼̼͈̈̈́̆̈́l̶͙̹̬̟̻͍̜̣̬͕͙̥̅͊̆̇̃͋̓̊͜͝ ";

        Console.WriteLine(data);

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine();

        Console.WriteLine(RemoveZalgo(data));

    }

}