songs

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

namespace classes
{
    class Songs
    {
        public string TypeList { get; set; }
        public string Name { get; set; }
        public string Time { get; set; }
    }

    class Program
    {
        static void Main(string[] args)
        {
            int songsCount = int.Parse(Console.ReadLine());

            List<Songs> list = new List<Songs>();

            for (int i = 0; i < songsCount; i++)
            {
                string[] input = Console.ReadLine().Split("_").ToArray();

                string type = input[0];
                string name = input[1];
                string time = input[2];

                Songs song = new Songs();

                song.TypeList = type;
                song.Name = name;
                song.Time = time;

                list.Add(song);
            }

            string filter = Console.ReadLine();

            if (filter == "all")
            {
                foreach (var song in list)
                {
                    Console.WriteLine(song.Name);
                }
            }
            else
            {
                List<Songs> filtered = list.Where(x => x.TypeList == filter).ToList();
                foreach (var song in filtered)
                {
                    Console.WriteLine(song.Name);
                }
            }


        }


    }
}