SrabskoUnleashed

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

namespace _04PopulationCounter
{
    class Program
    {
        static void Main()
        {
            string input = Console.ReadLine();
            string pattern = @"(.*?)\s@(.*?)\s(\d+)\s(\d+)";
            Regex regex = new Regex(pattern);

            Dictionary<string, Dictionary<string,long>> performances = new Dictionary<string, Dictionary<string, long>>();
            while (input != "End")
            {
                try
                {
                    Match match = regex.Match(input);
                    long profit = 0L;
                    //string[] inputLine = input.Split(' ').ToArray();
                    string singer = match.Groups[1].Value;
                    //Console.WriteLine(singer);
                    string venue = match.Groups[2].Value.Trim();
                    long price = long.Parse(match.Groups[3].Value.Trim());
                    //  Console.WriteLine(price);
                    long people = long.Parse(match.Groups[4].Value.Trim());
                    // Console.WriteLine(people);
                     profit = (price) * (people);
                    //   Console.WriteLine(profit);
                    if (!performances.ContainsKey(venue))
                    {
                        performances[venue] = new Dictionary<string, long>();
                        //performances[venue] = singer.OrderBy(x => x.Value);
                    }
                    if (!performances[venue].ContainsKey(singer))
                    {
                        performances[venue].Add(singer, profit);
                    }
                    else if (performances[venue].ContainsKey(singer))
                    {

                        performances[venue][singer] += profit;
                    }
                    input = Console.ReadLine();
                }
                catch(Exception e)
                {
                    input = Console.ReadLine();
                }
            }

            var sortedPopulationData = performances
             .OrderByDescending(x => x.Value
                    .Sum(y => y.Value));

            foreach (var count in performances)
            {
               Console.WriteLine(count.Key);
               var orderedCityData = count.Value
                  .OrderByDescending(x => x.Value);
               foreach (var item in orderedCityData)
               {
                   Console.Write("#  {0} -> ", item.Key);
                   Console.WriteLine(item.Value);
               }
            }
        }
    }
}