MOBAChallenger*

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

namespace MOBAChallenger
{
    class Program
    {
        static void Main(string[] args)
        {
            var playersWithPostionsAndSkills = new Dictionary<string, Dictionary<string, int>>();
            string input = string.Empty;
            while ((input = Console.ReadLine()) != "Season end")
            {
                if (input.Contains("->"))
                {
                    string[] inputArray = input.Split(" -> ");
                    string player = inputArray[0];
                    string position = inputArray[1];
                    int skill = int.Parse(inputArray[2]);
                    if (playersWithPostionsAndSkills.ContainsKey(player) == false)
                    {
                        playersWithPostionsAndSkills[player] = new Dictionary<string, int>();
                        playersWithPostionsAndSkills[player].Add(position, skill);
                    }

                    else if (playersWithPostionsAndSkills.ContainsKey(player) == true)
                    {
                        bool thePositionAlreadyExist = false;
                        foreach (var kvp in playersWithPostionsAndSkills[player])
                        {
                            string currentPosition = kvp.Key;
                            int currentSkill = kvp.Value;
                            if (currentPosition == position)
                            {
                                thePositionAlreadyExist = true;
                                if (currentSkill < skill)
                                {
                                    playersWithPostionsAndSkills[player][position] = skill;
                                    break;
                                }
                            }
                        }

                        if (thePositionAlreadyExist == false)
                        {
                            playersWithPostionsAndSkills[player].Add(position, skill);

                        }
                    }
                }

                else if (input.Contains("vs"))
                {
                    string[] inputArray = input.Split(" vs ");
                    string firstPlayer = inputArray[0];
                    string secondPlayer = inputArray[1];
                    if (playersWithPostionsAndSkills.ContainsKey(firstPlayer) && playersWithPostionsAndSkills.ContainsKey(secondPlayer))
                    {
                        int totalSkillsFirstPlayer = playersWithPostionsAndSkills[firstPlayer].Values.Sum();
                        int totalSkillsSecondPlayer = playersWithPostionsAndSkills[secondPlayer].Values.Sum();
                        bool haveWinner = false;
                        foreach (var kvp1 in playersWithPostionsAndSkills[firstPlayer])
                        {
                            string position1 = kvp1.Key;
                            foreach (var kvp2 in playersWithPostionsAndSkills[secondPlayer])
                            {
                                string position2 = kvp2.Key;
                                if (position1 == position2)
                                {
                                    if (totalSkillsFirstPlayer > totalSkillsSecondPlayer)
                                    {
                                        playersWithPostionsAndSkills.Remove(secondPlayer);
                                        haveWinner = true;
                                        break;
                                    }

                                    else if (totalSkillsSecondPlayer > totalSkillsFirstPlayer)
                                    {
                                        playersWithPostionsAndSkills.Remove(firstPlayer);
                                        haveWinner = true;
                                        break;
                                    }
                                }
                            }

                            if (haveWinner)
                            {
                                break;
                            }
                        }
                    }
                }
            }

            PrintResult(playersWithPostionsAndSkills);
        }


        private static void PrintResult(Dictionary<string, Dictionary<string, int>> playersWithPostionsAndSkills)
        {
            foreach (var kvp in playersWithPostionsAndSkills.OrderByDescending(x => x.Value.Values.Sum()).ThenBy(x => x.Key))
            {
                string player = kvp.Key;
                int totalSkill = kvp.Value.Values.Sum();// how to sum values

                Console.WriteLine($"{player}: {totalSkill} skill");
                foreach (var kvp1 in playersWithPostionsAndSkills[player].OrderByDescending(x => x.Value).ThenBy(x => x.Key))
                {
                    string position = kvp1.Key;
                    int skill = kvp1.Value;
                    Console.WriteLine($"- {position} <::> {skill}");
                }
            }
        }
    }
}