#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main()
{
    int n;
    cin >> n;
    vector<string> names;
    string name;
    for (int i = 0; i < n; i++)
    {
        cin >> name;
        names.push_back(name);
    }
    char k;
    cin >> k;
    for (int i = 0; i < n; i++)
    {
        if (names[i][0] == k)
        {
            cout << names[i] << endl;
        }
    }
    return 0;
}