srabsko_unleashed_2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SrabskoUnlesashed
{
    using System.Text.RegularExpressions;

    class Program
    {
        static void Main(string[] args)
        {
            //Regex regex = new Regex(@"[\D]+[ ][@](.*?)*[ ][\d]+[ ][\d]+");

            var line = Console.ReadLine();

            var events = new Dictionary<string, Dictionary<string, int>>();

            while (line != "End")
            {
                var splitted = line.Split('@');
                var name = splitted[0];

                if (name[name.Length - 1] != ' ')
                {
                    line = Console.ReadLine();
                    continue;
                }

                Stack<string> venuePrices = new Stack<string>(splitted[1].Split());
                if (venuePrices.Count < 3)
                {
                    line = Console.ReadLine();
                    continue;
                }

                int ticketPrice = 0;
                int ticketCount = 0;
                try
                {
                    ticketPrice = int.Parse(venuePrices.Pop().Trim());
                    ticketCount = int.Parse(venuePrices.Pop().Trim());
                }
                catch (Exception e)
                {
                    line = Console.ReadLine();
                    continue;
                }

                var venue = string.Join(" ", venuePrices.Reverse()).Trim();

                if (!events.ContainsKey(venue))
                {
                    events.Add(venue, new Dictionary<string, int>());
                }

                if (!events[venue].ContainsKey(name))
                {
                    events[venue].Add(name, 0);
                }

                events[venue][name] += (ticketPrice * ticketCount);

                line = Console.ReadLine();
            }


            foreach (var city in events)
            {
                Console.WriteLine(city.Key.Trim());
                foreach (var performance in city.Value.OrderByDescending(t => t.Value))
                {
                    Console.WriteLine("#  {0} -> {1}", performance.Key.Trim(), performance.Value);
                }
            }
        }
    }
}