Messages_Manager

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

namespace Messages_Manager
{
    class Program
    {
        static void Main(string[] args)
        {
            int capacity = int.Parse(Console.ReadLine());
            Dictionary<string, int[]> usersMessages = new Dictionary<string, int[]>();

            string input = Console.ReadLine();

            while (input != "Statistics")
            {
                string[] token = input.Split("=");
                string command = token[0];

                if (command == "Add")
                {
                    string username = token[1];
                    int sent = int.Parse(token[2]);
                    int received = int.Parse(token[3]);

                    if (!usersMessages.ContainsKey(username))
                    {
                        usersMessages[username] = new int[2] { sent, received };
                    }
                }
                else if (command == "Message")
                {
                    string sender = token[1];
                    string receiver = token[2];

                    if(usersMessages.ContainsKey(sender) && usersMessages.ContainsKey(receiver))
                    {
                        usersMessages[sender][0]++;
                        usersMessages[receiver][1]++;
                    }

                    if(usersMessages[sender][0] + usersMessages[sender][1] >= capacity)
                    {
                        Console.WriteLine($"{sender} reached the capacity!");
                        usersMessages.Remove(sender);
                    }

                    if(usersMessages[receiver][0] + usersMessages[receiver][1] >= capacity)
                    {
                        Console.WriteLine($"{receiver} reached the capacity!");
                        usersMessages.Remove(receiver);
                    }
                }
                else if (command == "Empty")
                {
                    string username = token[1];

                    if(username == "All")
                    {
                        usersMessages.Clear();
                    }
                    else
                    {
                        if (usersMessages.ContainsKey(username))
                        {
                            usersMessages.Remove(username);
                        }
                    }
                }

                input = Console.ReadLine();
            }

            Console.WriteLine($"Users count: {usersMessages.Count}");

            usersMessages = usersMessages
                .OrderByDescending(x => x.Value[1])
                .ThenBy(x => x.Key)
                .ToDictionary(x => x.Key, x => x.Value);

            foreach (var kvp in usersMessages)
            {

                Console.WriteLine($"{kvp.Key} - {kvp.Value[0] + kvp.Value[1]}");
            }
        }
    }
}