Problem 2. Destination Mapper

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

public class Example
{
    public static void Main()
    {
        List<string> validWords = new List<string>();
        string input = Console.ReadLine();
        string pattern = @"([=,]|[\/,])(?<Match>[[A-Z]{1}[a-z]{3,})(\1)";

        MatchCollection matches = Regex.Matches(input, pattern);
        int matchedWordsCount = 0;
        int totalLenghtOfMatches = 0;
        foreach (Match match in matches)
        {
            var word = match.Groups["Match"].Value;
            totalLenghtOfMatches += word.Length;
            validWords.Add(word);
            matchedWordsCount++;
        }
        if (matchedWordsCount >= 1)
        {
            Console.WriteLine("Destinations: " + string.Join(", ", validWords));
            Console.WriteLine("Travel Points: " + totalLenghtOfMatches);
        }
        else
        {
            Console.WriteLine("Destinations: " + string.Join(", ", validWords));
            Console.WriteLine("Travel Points: " + totalLenghtOfMatches);
        }
    }
}