{
    public class Sort
    {
        public static bool CheckCommand(string command)
        {
            switch (command)
            {
                case "sort":
                    return true;
                case "Sort":
                    Console.WriteLine("I don't know this command, sorry to say that. Is there a chance you meant 'sort'?");
                    return false;
                default:
                    Console.WriteLine("I don't know this command, sorry to say that. And I have no idea what you meant...");
                    return false;
            }
        }

        public static List<String> ReadFile(string name)
        {
            List<String> lines = new List<String>();
            try
            {
                foreach (string line in File.ReadLines(name))
                {
                    lines.Add(line);
                }
            }
            catch (FileNotFoundException)
            {
                Console.WriteLine("I am so sorry to say, but I cannot find such file. I know this might be very difficult," +
                                  " but please check if you have entered the name correctly. I believe in you.");
            }

            return lines;
        }
        public static void Main(string[] args)
        {
            var command = Console.ReadLine();
            String[] flags = command.Split(" ");
            if(!CheckCommand(flags[0])) return;

            var fileName = flags[^1];
            var linesArray = ReadFile(fileName);
            linesArray.Sort();
            foreach (var line in linesArray)
            {
                Console.WriteLine(line);
            }
        }
    }
}