using System.Collections.Generic;
using  System.IO;
using System.Text;

namespace ConsoleApp10
{
    class Program
    {
        static void Main()
        {
            string[] lines = File.ReadAllLines("dictionary.txt");
            HashSet<string> dictionary = new HashSet<string>(lines);

            IEnumerator<string> data;
            data = File.ReadLines("text.txt").GetEnumerator();

            var html = new FileStream("ansver.html", FileMode.Create);

            Hz(dictionary, data);

        }

        public static IEnumerable<string> Hz(HashSet<string> dictionary, IEnumerator<string> data)
        {
            while (data.MoveNext())
            {
                if (data.Current != null)
                    foreach (string word in data.Current.Split(' '))
                    {
                        if (dictionary.Contains(word))
                        {
                            yield return "<b><i>" + word + "</i></b>";
                        }
                    }
            }
        }
    }
}