MeTube Statistics

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

namespace P05.MeTube_Statistics
{
    class Program
    {
        static void Main(string[] args)
        {
            var videos = new Dictionary<string, int>();
            var rating = new Dictionary<string, int>();
            string input = string.Empty;

            while ((input = Console.ReadLine()) != "stats time")
            {
                if (input.IndexOf("-") >= 0)
                {
                    var command1 = input.Split("-");
                    string video = command1[0];
                    int views = int.Parse(command1[1]);

                    if (!videos.ContainsKey(video))
                    {
                        videos.Add(video, views);
                    }
                    else
                    {
                        videos[video] += views;
                    }
                }
                else
                {
                    var command2 = input.Split(":");
                    string likeORdislike = command2[0];
                    string video = command2[1];

                    if (!rating.ContainsKey(video))
                    {
                        if (likeORdislike == "like")
                        {
                            rating.Add(video, +1);
                        }
                        else
                        {
                            rating.Add(video, -1);
                        }
                    }
                    else
                    {
                        if (likeORdislike == "like")
                        {
                            rating[video] += 1;
                        }
                        else
                        {
                            rating[video] -= 1;
                        }
                    }
                }
            }
            string lastInput = Console.ReadLine();
            if (lastInput == "by views")
            {
                foreach (var video in videos.OrderByDescending(x=>x.Value))
                {
                    foreach (var likes in rating)
                    {
                        Console.WriteLine($"{video.Key} - {video.Value} views - {likes.Value} likes");
                    }
                }
            }
            else
            {
                foreach (var item in rating.OrderByDescending(x=>x.Value))
                {
                    foreach (var video in videos)
                    {
                        Console.WriteLine($"{video.Key} - {video.Value} views - {item.Value} likes");
                    }
                }
            }
        }
    }
}