User Logs

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

namespace usersLogs
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split().ToArray();

            string ip = input[0];
            if (ip == "end")
            {
                return;
            }
            string user = input[2];

            List<string> allIp = new List<string>();
            List<string> allUsers = new List<string>();
            //                             username,           IP's,   countIP;
            var serverLogs = new Dictionary<string, Dictionary<string, int>>();

            while (true)
            {
                allIp.Add(ip.Substring(3));
                allUsers.Add(user.Substring(5));
                input = Console.ReadLine().Split().ToArray();
                ip = input[0];

                if (ip == "end")
                {
                    break;
                }

                user = input[2];
            }


            var ipResult = new Dictionary<string, int>();
            int countSameIp = 1;

            for (int i = 0; i < allIp.Count; i++)
            {
                for (int j = i + 1; j < allIp.Count; j++)
                {
                    if (allIp[i] == allIp[j])
                    {
                        countSameIp++;
                    }
                }

                if (!ipResult.ContainsKey(allIp[i]))
                {
                    ipResult[allIp[i]] = countSameIp;
                }

                if (!serverLogs.ContainsKey(allUsers[i]))
                {
                    serverLogs[allUsers[i]] = ipResult;
                }


                countSameIp = 1;
            }

            foreach (var userLog in serverLogs)
            {
                Console.Write($"{userLog.Key}:");
                Console.WriteLine();
                for (int i = 0; i < userLog.Value.Keys.Count; i++)
                {
                    Console.WriteLine($"{string.Join(" ", userLog.Value.Keys)} => {string.Join(" ", userLog.Value.Values)}");
                }

            }
        }
    }
}