Arriving in Kathmandu_Group 1

using System;
using System.Text.RegularExpressions;

namespace Arriving_In_Kathmandu
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = "";

            string patern = @"^(?<nameofpeak>[A-Za-z0-9!@#$?]+)=(?<length>\d+)<<(?<code>(.*?)+)$";
            // ne e moi patern ^(?<nameofpeak>[A-Za-z0-9!@#$?]+)=(?<length>\d+)<<(?<code>(.*?)+)$

            // Dictionary<string, string> mountsInfo = new Dictionary<string, string>(); rechnika nqma da mi trqbva zashtto shte pechatam vutre v chikala tei kato iskat postoqno da se otpechatva suobshtenie
            while ((input = Console.ReadLine()) != "Last note")
            {
                var match = Regex.Match(input, patern);
                if (match.Success)
                {
                    string onlyPeakName = "";

                    string namePeak = match.Groups["nameofpeak"].Value;
                    int lenght = int.Parse(match.Groups["length"].Value);
                    string cordinate = match.Groups["code"].Value;

                    if (cordinate.Length != lenght)
                    {
                        Console.WriteLine("Nothing found!");
                        continue;
                    }
                    else
                    {
                        for (int i = 0; i < namePeak.Length; i++)
                        {
                            char simbol = namePeak[i];

                            if (char.IsLetter(simbol))
                            {
                                onlyPeakName += simbol;
                            }
                        }
                        Console.WriteLine($"Coordinates found! {onlyPeakName} -> {cordinate}");
                    }



                    //foreach (var item in namePeak)
                    //{
                    //    char simbol = item;
                    //    if (char.IsLetter(simbol))
                    //    {
                    //        onlyPeakName += simbol;
                    //    }
                    //    else if (char.IsDigit(simbol))
                    //    {
                    //        onlyPeakName += (char)(simbol); // izlishno e da go castvam znam :D
                    //    }
                    //}
                    //if (onlyPeakName.Length == lenght || namePeak.Length == lenght || onlyPeakName.Length - 1 == lenght)
                    //{
                    //    Console.WriteLine($"Coordinates found! {onlyPeakName} -> {cordinate}");
                    //}
                    //else
                    //{
                    //    Console.WriteLine("Nothing found!");
                    //}

                }
                else
                {
                    Console.WriteLine("Nothing found!");
                }
            }
        }
    }
}