Andrey and Billiard1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Globalization;

namespace Last_Exe
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            Dictionary<string, double> entities = new Dictionary<string, double>();
            List<Clients> final = new List<Clients>();

            for (int i = 0; i < n; i++)
            {
                string[] input = Console.ReadLine().Split('-').ToArray();
                if (entities.ContainsKey(input[0]) == false)
                {
                    entities.Add(input[0], double.Parse(input[1]));
                }

                entities[input[0]] = double.Parse(input[1]);
            }

            string current = Console.ReadLine();
            while (current != "ent of clients")
            {
                Clients client = new Clients();
                string[] splited = current.Split(new[] { "-", "," }, StringSplitOptions.RemoveEmptyEntries).ToArray();
                if (entities.ContainsKey(splited[1]))
                {
                    client.Name = splited[0];

                    if (client.Order.ContainsKey(splited[1]) == false)
                    {
                        client.Order.Add(splited[1], int.Parse(splited[2]));
                    }

                    client.Order[splited[1]] += int.Parse(splited[2]);
                    final.Add(client);

                }
                current = Console.ReadLine();

            }

            foreach (var client in final)
            {
                Console.WriteLine(client.Name);
                Console.WriteLine($"-- {client.Order.Keys} - {client.Order.Values}");
                Console.WriteLine($"BILL: {client.Order.Values.Sum()}");

            }
        }

        class Clients
        {
            public string Name { get; set; }
            public Dictionary<string, int> Order { get; set; }

        }
    }
}