#include <iostream>
#include <set>
#include <iterator>
using namespace std;
typedef struct
{
    string fam;
    string im;
    int god;
    int gol;
} inf;
main()
{
    set <char> players;
    string a;
    int n;
    cin>>n;
    int i;
    inf b, v;
    for (i=0; i<n; i++)
    {
        cin>>b.fam>>b.im>>b.god>>b.gol;
        if (b.gol>=1)
        {
            a=b.fam+b.im;
            players.insert (a);
        }
    }
    copy(players.begin(), players.end(), ostream.iterator<char>(cout," "));
}