#include<iostream>
#include<cstdlib>
#include<string>
using namespace std;

class Kulka
{
    public:
        int number;
        int value;
        Kulka();
        Kulka(int number);
        Kulka(int number, int value);

        Kulka operator+ (const Kulka &k)
        {
            return Kulka(number + k.number, value + k.value);
        }
};

Kulka::Kulka()
{
    number = 0;
    value = rand()%100;
}

Kulka::Kulka(int n)
{
    number = n;
    value = n+1;
}

Kulka::Kulka(int n, int v)
{
    number = n;
    value = v;
}

ostream &operator<< (ostream &out, const Kulka &k)
{
    return out << "Nr kulki: " << k.number << " - wartosc: " << k. value << endl;
}

int main()
{
    Kulka k1;
    Kulka k2(5); //16
    Kulka k3(12); //75
    Kulka k4(2, 24);
    Kulka k5(44, -458);
    Kulka k6 = k1+k2;

    cout << k1 << k2 << k3 << k4 << k5 << endl;
    cout << k6;

    return 0;
}