#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return true; } return false; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return true; } return false; }
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pair<int,int>>
#define vll vector<pair<ll,ll>>
#define vvi vector<vector<int>>
#define vvl vector<vector<ll>>
#define vvii vector<vector<pair<int,int>>>
#define vvll vector<vector<pair<ll,ll>>>
#define vst vector<string>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define mkunique(x) sort(all(x));(x).erase(unique(all(x)),(x).end())
#define fi first
#define se second
#define mp make_pair
#define si(x) int(x.size())
const int mod=998244353,MAX=300005,INF=15<<26;

struct dat{
    ll x;
    ll y;
    ll z;
    string name;
};

const double eps=1e-9;

int main(){
    
    std::ifstream in("text.txt");
    std::cin.rdbuf(in.rdbuf());
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    int N;cin>>N;
    vector<dat> S(N);
    for(int i=0;i<N;i++){
        ll a,b,c;
        string d;cin>>a>>b>>c>>d;
        S[i]={a,b,c,d};
    }
    
    sort(all(S),[&](auto a,auto b){
        int at,bt;
        if(a.x==0){
            if(a.y>0) at=0;
            else at=2;
        }else if(a.x>0){
            at=1;
        }else{
            at=3;
        }
        
        if(b.x==0){
            if(b.y>0) bt=0;
            else bt=2;
        }else if(b.x>0){
            bt=1;
        }else{
            bt=3;
        }
        
        if(at!=bt){
            return at<bt;
        }
        
        if(at==0||at==2){
            if(a.z!=b.z) return a.z>b.z;
            else return abs(a.y)>abs(b.y);
        }else{
            ll re=a.x*b.y-a.y*b.x;
            if(re!=0){
                return re<0;
            }else{
                if(a.z!=b.z) return a.z>b.z;
                else return abs(a.x)>abs(b.x);
            }
        }
    });
    
    for(int i=0;i<N;i++){
        bool ok=true;
        for(int j=0;j<N;j++){
            if(i==j) continue;
            auto a=S[i],b=S[j];
            
            auto f=[&](double h){
                double res=hypot((double)a.x/a.z*h-b.x,(double)a.y/a.z*h-b.y)-(b.z-h);
                return res;
            };
            double l=0,r=min(a.z,b.z);
            for(int q=0;q<100;q++){
                double m1=(l+l+r)/3,m2=(l+r+r)/3;
                double f1=f(m1),f2=f(m2);
                if(f1<f2) r=m2;
                else l=m1;
                if(f1<=0||f2<=0){
                    ok=false;
                    break;
                }
            }
            
            //cout<<i<<" "<<j<<" "<<l<<" "<<f((l+r)/2)<<endl;
            if(f(l)>eps&&f(r)>eps&&f((l+r)/2)>eps){
                
            }else{
                ok=false;
                break;
            }
        }
        
        if(ok) cout<<S[i].name<<"\n";
    }
    
}