Football_League(helped)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Football_League
{
    class Program
    {
        static void Main(string[] args)
        {
            string key = Console.ReadLine();

            key = Regex.Escape(key);

            string pattern = $@"{key}(?<teamOne>.*?){key}.+?{key}(?<teamTwo>.*?){key}.+?(?<teamOneGoals>\d+):(?<teamTwoGoals>\d+)";

            string input = Console.ReadLine();

            Dictionary<string, int> standings = new Dictionary<string, int>();
            Dictionary<string, int> goals = new Dictionary<string, int>();

            while (input != "final")
            {
                MatchCollection teams = Regex.Matches(input, pattern);

                foreach (Match team in teams)
                {
                    string teamOne = new string(team.Groups["teamOne"].Value.Reverse().ToArray()).ToUpper();
                    string teamTwo = new string(team.Groups["teamTwo"].Value.Reverse().ToArray()).ToUpper();
                    var teamOneGoals = int.Parse(team.Groups["teamOneGoals"].Value);
                    var teamTwoGoals = int.Parse(team.Groups["teamTwoGoals"].Value);

                    var teamOnePoints = 0;
                    var teamTwoPoints = 0;

                    if (teamOneGoals > teamTwoGoals)
                    {
                        teamOnePoints = 3;
                        teamTwoPoints = 0;
                    }
                    else if (teamOneGoals < teamTwoGoals)
                    {
                        teamOnePoints = 0;
                        teamTwoPoints = 3;
                    }
                    else
                    {
                        teamOnePoints = 1;
                        teamTwoPoints = 1;
                    }

                    if (!standings.ContainsKey(teamOne))
                    {
                        standings[teamOne] = 0;
                    }

                    if (!standings.ContainsKey(teamTwo))
                    {
                        standings[teamTwo] = 0;
                    }

                    standings[teamOne] += teamOnePoints;
                    standings[teamTwo] += teamTwoPoints;

                    if (!goals.ContainsKey(teamOne))
                    {
                        goals[teamOne] = 0;
                    }

                    if (!goals.ContainsKey(teamTwo))
                    {
                        goals[teamTwo] = 0;
                    }

                    goals[teamOne] += teamOneGoals;
                    goals[teamTwo] += teamTwoGoals;
                }
                input = Console.ReadLine();
            }
            var indexer = 1;
            Console.WriteLine("League standings:");
            foreach (var team in standings.OrderByDescending(x => x.Value).ThenBy(x => x.Key))
            {
                Console.WriteLine($"{indexer}. {team.Key} {team.Value}");
                indexer++;
            }

            Console.WriteLine("Top 3 scored goals:");
            foreach (var goal in goals.OrderByDescending(x => x.Value).ThenBy(x => x.Key).Take(3))
            {
                Console.WriteLine($"- {goal.Key} -> {goal.Value}");
            }
        }
    }
}