#include    <iostream>
#include    <cstring>

using namespace std;

int main()
{
    unsigned int n;
    char vector[20][21];
    cin >> n;

    for(int i = 0; i < n; i++)
        cin >> vector[i];

    char ultCuvant[21];
    strcpy(ultCuvant, vector[n - 1]);

    for(int i = 0; i < n - 1; i++)
    {
        if(strncmp(vector[i], ultCuvant, strlen(ultCuvant)) == 0)
            cout << vector[i] << "\n";
    }
    return 0;
}