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

class Locuinta
{
public:
    char numeClient[50];
    int suprafataUtila;
    double pretChirie;
    int discount;
public:
    Locuinta();
    Locuinta(char numeClient[], int suprafataUtila, double pretChirie, int discount);
    friend istream &operator >> (istream &input, Locuinta &p);
    ~Locuinta();
};

istream &operator >> (istream &input, Locuinta &p)
{
    input >> p.numeClient >> p.suprafataUtila >> p.pretChirie >> p.discount;
    return input;
}

class Casa:public Locuinta
{
public:
    int suprafataCurte;
    int nrEtaje;
    int suprafataEtaje;
public:
    Casa();
    Casa(char numeClient[], int suprafataUtila, double pretChirie, int discount, int suprafataCurte, int nrEtaje, int suprafataEtaje);
    Casa operator++();
    // Overloading [] operator to access elements in array style
    const int operator[](int index);
    ~Casa();
};

Locuinta::Locuinta()
{
    strcpy(numeClient,"NULL");
    suprafataUtila = 20;
    pretChirie = 0.0;
    discount = 1;
}

Locuinta::Locuinta(char numeClient[], int suprafataUtila, double pretChirie, int discount)
{
    strcpy(this->numeClient, numeClient);
    this->suprafataUtila = suprafataUtila;
    this->pretChirie = pretChirie;
    this->discount = discount;
}

Locuinta::~Locuinta()
{
    // cout<<"Destructor"<<endl;
}

Casa::Casa():Locuinta()
{
    int suprafataCurte;
    int nrEtaje;
    int suprafataEtaje;
}

Casa::Casa(char numeClient[], int suprafataUtila, double pretChirie, int discount, int suprafataCurte, int nrEtaje, int suprafataEtaje):Locuinta(numeClient,suprafataUtila,pretChirie,discount)
{
    this->suprafataCurte=0;
    this->nrEtaje=0;
    this->suprafataEtaje=0;
}

Casa Casa::operator++()
{
    Casa temp(*this);
    discount++;
    return temp;
}

const int Casa::operator[](int index)
{
    int A[7];
    A[2]=this->suprafataUtila;
    return A[2];
}

Casa::~Casa()
{
    // cout<<"Destructor"<<endl;
}

int main()
{
    Locuinta a,b;
    Locuinta c("Popescu Octavian",54,12.1,2);
    a=c;
    cin>>b;
    Casa d;
    ++d;
    cout<<d[2];
}