ForumTopics

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

class ForumTopics
{
    static void Main()
    {
        var topicList = new Dictionary<string, HashSet<string>>();

        while (true)
        {
            var input = Console.ReadLine().Split(", ->".ToCharArray(), StringSplitOptions.RemoveEmptyEntries).ToArray();
            if (input[0] == "filter")
            {
                break;
            }

            var topic = input[0];

            if (!topicList.ContainsKey(topic))
            {
                topicList[topic] = new HashSet<string>();
            }

            for (int i = 1; i < input.Length; i++)
            {
                topicList[topic].Add(input[i]);
            }
        }

        var seqenceOfTags = Console.ReadLine().Split(", ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries).ToArray();

        foreach (var item in topicList)
        {
            var hasContain = false;
            for (int i = 0; i < seqenceOfTags.Length; i++)
            {
                if (item.Value.Contains(seqenceOfTags[i]))
                {
                    hasContain = true;
                }
                else
                {
                    hasContain = false;
                    break;
                }

            }

            var topic = item.Key;
            var tags = item.Value;
            if (hasContain)
            {
                Console.WriteLine($"{topic} | #{string.Join(", #", tags)}");
            }
        }


    }
}