#include <iostream>
#include <cstdlib>
#include <cstring>

using namespace std;

class Brod
{
    protected:

    char ime[100];
    char drzava[100];
    float kvadratura;

    public:

    Brod(char *ime="", char *drzava="", float kvadratura=0)
    {
        strcpy(this->ime, ime);
        strcpy(this->drzava, drzava);
        this->kvadratura = kvadratura;
    }

    virtual float cena()=0;
    //virtual void pecati()=0;

    friend ostream &operator<<(ostream &out, Brod &b)
    {
         out<<"Ime: "<<b.ime<<endl;
         out<<"Drzava: "<<b.drzava<<endl;
         out<<"Kvadrati: "<<b.kvadratura<<endl;
        out<<"Cena: "<<b.cena()<<endl;
        return out;
    }

    bool operator>(Brod &b)
    {
        return cena() > b.cena();
    }
};

class Jahta:public Brod
{
protected:
    int brPalubi;
    int brMotori;
public:
    Jahta(char *ime="", char *drzava="", float kvadratura=0, int brPalubi=0, int brMotori=0):Brod(ime, drzava, kvadratura)
    {
        this->brPalubi=brPalubi;
        this->brMotori=brMotori;
    }

    float cena()
    {
        return kvadratura*700+brMotori*20000+brPalubi*4500;
    }

    /*friend ostream &operator<<(ostream &out, Jahta &j)
    {
        return out<<j.ime<<j.drzava<<j.kvadratura<<j.brPalubi<<j.brMotori<<endl;
    }*/

};

class Krstosuvac:public Brod
{
protected:
    float kvadKabina;
    int brKabini;
public:
    Krstosuvac(char *ime="", char *drzava="", float kvadratura=0, float kvadKabina=0, int brKabini=0):Brod(ime, drzava, kvadratura)
    {
        this->kvadKabina=kvadKabina;
        this->brKabini=brKabini;
    }

    float cena()
    {
        return (kvadKabina*900)*brKabini;
    }

    /*friend ostream &operator<<(ostream &out, Krstosuvac &k)
    {
        return out<<k.ime<<k.drzava<<k.kvadratura<<k.kvadKabina<<k.brKabini<<endl;
    }*/


};

class Tanker:public Brod
{
protected:
    float volumen;
    int ekipaz;
public:
    Tanker(char *ime="", char *drzava="", float kvadratura=0,float volumen=0, int ekipaz=0):Brod(ime, drzava, kvadratura)
    {
        this->volumen=volumen;
        this->ekipaz=ekipaz;
    }

    float cena()
    {
        return (volumen*500)+3000*ekipaz;
    }

    /*friend ostream &operator<<(ostream &out, Tanker &t)
    {
        return out<<t.ime<<t.drzava<<t.kvadratura<<t.volumen<<t.ekipaz<<endl;
    }*/
};

Brod &najskap_brod(Brod **brodovi, int n)
{
    Brod *temp = brodovi[0];
    for(int i=0; i<n; i++)
    {
        if(brodovi[i] > temp)
            temp = brodovi[i];
    }
    return *temp;
}





int main() {
    int n; // Broj na brodovi

    int tip_brod; // Tip na Brod (1-Jahta, 2-Krstosuvac, 3-Tanker)

    cin >> n;

    Brod **brodovi = new Brod*[n];
    char ime[100];
    char drzava[30] ;
    float kvadratura;
    for(int i = 0; i < n; ++i) {
        cin >> tip_brod>> ime >> drzava >> kvadratura;
        if(tip_brod==1) {
            int br_palubi;
            int broj_motori;
            cin >> br_palubi >> broj_motori;
            brodovi[i] = new Jahta(ime, drzava, kvadratura, br_palubi, broj_motori);
        }
        else if(tip_brod == 2) {
            int br_kabini;
            float kvadrat_na_kabina;
            cin >> br_kabini >> kvadrat_na_kabina;

            brodovi[i] = new Krstosuvac (ime, drzava, kvadratura, br_kabini, kvadrat_na_kabina);
        }
        else if(tip_brod == 3){
            float volumen;
            int br_ekipaz;
            cin >>volumen >> br_ekipaz;

            brodovi[i]= new Tanker (ime, drzava, kvadratura, volumen, br_ekipaz);
        }
    }

    cout<<"== BRODOVI =="<<endl;
    for (int i=0; i<n; i++){
        cout<<*(brodovi[i])<<endl;
    }

    cout << "=== NAJSKAP BROD ===" << endl;
    najskap_brod(brodovi, n);

    return 0;
}