Родендени

import java.util.HashMap;
import java.util.Scanner;

public class Rodendeni {

    public static void main(String[] args) {


        Scanner in = new Scanner(System.in);

        HashMap<String, String> hashMap = new HashMap<>();

        int n = Integer.parseInt(in.nextLine());

        for (int i=0;i<n;i++)
        {


            String [] niza = in.nextLine().split(" ");
            String mesec = niza[1].split("\\.")[1];


            if (hashMap.containsKey(mesec)){
                if (!hashMap.get(mesec).contains(niza[0])){
                    hashMap.put(mesec, hashMap.get(mesec) + " " + niza[0]);
                }
            }
            else
            hashMap.put(mesec, niza[0]);

        }


        String m = in.nextLine();

        if (hashMap.containsKey(m))
        {
            System.out.println(hashMap.get(m));
        }
        else
            System.out.println("Nema");




    }
}