/* Joseph Green
 * 7-Oct-2020
 *
 * take int for number of words
 * take list of words
 * take a char
 *
 * print out every word in the list that contains the char at least once
 * Assume at least one word will contain the given char
 * words will be < 20
 */

import java.util.Scanner;

public class LabProgram {
   public static void main(String[] args) {
      /* Type your code here. */
	   int numWords;
	   char someChar;
	   Scanner scnr = new Scanner(System.in);

	   String[] words = new String[20];

	   numWords = scnr.nextInt();

	   for (int i = 0; i<numWords; i++){
		   words[i] = scnr.next();
	   }

	   someChar = scnr.next().charAt(0);

	   for (int j = 0; j<numWords;j++){
		   for (int i = 0; i<words[j].length();i++){
			   if (someChar == words[j].charAt(i)){
				   System.out.println(words[j]);
				   break;
			   }
		   }
	   }
/*	   for (String word : words){
		   for (int i = 0; i<word.length();i++){
			   if (someChar == word.charAt(i)){
				   System.out.println(word);
				   break;
			   }
		   }
	   }*/
   }
}