using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

class Program
    {
    static void Main()
    {
        string searchedWord = Console.ReadLine();
        string manySentences = Console.ReadLine();
        searchedWord.ToLower();
        manySentences.ToLower();
        string[] splittedSentences = manySentences.Split('.');
        for (int i = 0; i < splittedSentences.Length; i++)
        {
            string[] splittedSentencesBySpace = splittedSentences[i].Split(' ');
            for (int j = 0; j < splittedSentencesBySpace.Length; j++)
            {
                if (splittedSentencesBySpace[j] == searchedWord)
                {
                    Console.Write(splittedSentences[i] + ".");
                    continue;
                }
                for (int z = 0; z < splittedSentencesBySpace[j].Length; z++)
                {
                    if (char.IsLetter(splittedSentencesBySpace[j][z]) == false)
                    {
                        string[] splitByNonLetterSymbol = splittedSentencesBySpace[j].Split(splittedSentencesBySpace[j][z]);
                        for (int p = 0; p < splitByNonLetterSymbol.Length; p++)
                        {
                            if (splitByNonLetterSymbol[p] == searchedWord)
                            {
                                Console.Write(splittedSentences[i]+".");
                                z = splittedSentencesBySpace[j].Length;
                            }
                        }
                    }
                }
            }
        }
    }
}