Softuni Karaoke

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

namespace P02_SoftuniKaraoke
{
    class SoftuniKaraoke
    {
        static void Main(string[] args)
        {
            var singers = Console.ReadLine()
                .Split(", ".ToCharArray()
                , StringSplitOptions.RemoveEmptyEntries).ToList();

            var songs = Console.ReadLine()
                .Split(',').ToList().Select(a => a.TrimStart());


            var singersSongsAwards = new Dictionary<string, HashSet<string>>();

            var input = Console.ReadLine().Split(",".ToCharArray()
                , StringSplitOptions.RemoveEmptyEntries).ToList();

            while (input[0] != "dawn")
            {
                var singer = input[0];
                var song = input[1].TrimStart();
                var award = input[2].TrimStart();

                if (singers.Contains(singer) && songs.Contains(song))
                {
                    if (!singersSongsAwards.ContainsKey(singer))
                    {
                        singersSongsAwards.Add(singer, new HashSet<string>());
                    }

                    singersSongsAwards[singer].Add(award);


                }

                input = Console.ReadLine().Split(",".ToCharArray()
                , StringSplitOptions.RemoveEmptyEntries).ToList();
            }

            if (singersSongsAwards.Count == 0)
            {
                Console.WriteLine("No awards");
                    return;
            }

            foreach (var users in singersSongsAwards.OrderByDescending(s => s.Value.Count).ThenBy(x => x.Key))
            {
                Console.WriteLine($"{users.Key}: {users.Value.Count()} awards");  // imeto na usera + count na nagradite

                foreach (var item in users.Value.OrderBy(x => x))
                {
                    Console.WriteLine("--{0}", item);

                }

            }
        }
    }
}