MOBA Challenger - Dictionaries

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

namespace _03MOBAChallenger
{
    class Program
    {
        static void Main(string[] args)
        {
            Dictionary<string, Dictionary<string, int>> playerPositionSkill = new Dictionary<string, Dictionary<string, int>>();

            while (true)
            {
                string command = Console.ReadLine();

                if (command == "Season end")
                {
                    break;
                }

                if (command.Contains("->"))
                {
                    string[] tokens = command.Split(" -> ");

                    string player = tokens[0];
                    string position = tokens[1];
                    int skill = int.Parse(tokens[2]);

                    if (!playerPositionSkill.ContainsKey(player))
                    {
                        playerPositionSkill.Add(player, new Dictionary<string, int>());
                        playerPositionSkill[player].Add(position, skill);
                    }
                    else if (playerPositionSkill.ContainsKey(player)==true && playerPositionSkill[player].ContainsKey(position)==false)
                    {
                        playerPositionSkill[player].Add(position, skill);
                    }
                    else if (playerPositionSkill.ContainsKey(player) && playerPositionSkill[player].ContainsKey(position))
                    {
                        if (playerPositionSkill[player][position]<skill)
                        {
                            playerPositionSkill[player][position] = skill;
                        }
                    }
                }
                else
                {
                    string[] tokens = command.Split(" vs ");

                    string player1 = tokens[0];
                    string player2 = tokens[1];

                    if (playerPositionSkill.ContainsKey(player1) && playerPositionSkill.ContainsKey(player2))
                    {
                        string[] player1Positions = playerPositionSkill[player1].Keys.ToArray();

                        foreach (var player2Positions in playerPositionSkill[player2].Keys)
                        {
                            if (player1Positions.Contains(player2Positions))
                            {
                                int totalSkillPointsPlayer1 = playerPositionSkill[player1].Values.Sum();
                                int totalSkillPointsPlayer2 = playerPositionSkill[player2].Values.Sum();

                                if (totalSkillPointsPlayer1>totalSkillPointsPlayer2)
                                {
                                    playerPositionSkill.Remove(player2);
                                    break;
                                }
                                else if (totalSkillPointsPlayer1 < totalSkillPointsPlayer2)
                                {
                                    playerPositionSkill.Remove(player1);
                                    break;
                                }
                            }
                        }
                    }
                }
            }

            foreach (var kvp in playerPositionSkill.OrderByDescending(x=>x.Value.Values.Sum()).ThenBy(x=>x.Key))
            {
                string player = kvp.Key;
                int totalSkill = kvp.Value.Values.Sum();
                Console.WriteLine($"{player}: {totalSkill} skill");

                foreach (var kvpValue in kvp.Value.OrderByDescending(y=>y.Value).ThenBy(y=>y.Key))
                {
                    string position = kvpValue.Key;
                    int skill = kvpValue.Value;
                    Console.WriteLine($"- {position} <::> {skill}");
                }
            }
        }
    }
}