stip-2

#include <iostream>
#include <cstring>

using namespace std;
class Koordinati{
private:
    int x;
    int y;
    int z;
public:
    Koordinati(int x, int y, int z){
        x=0;
        y=0;
        z=0;
    }
    Koordinati(int x, int y, int z){
        this->x=x;
        this->y=y;
        this->z=z;
    }
    //copy constructor
    Koordinati(Koordinati &k){
        x=k.x;
        y=k.y;
        z=k.z;
    }
    friend ostream &operator<<(ostream &out, Koordinati &ko){
        out<<"("<<ko.x<<", "<<ko.y<<", "<<ko.z<<")"<<endl;
        return out;
    }
    Koordinati& operator+=(Koordinati &novi){
        //ne razbiram pod-fiksna forma :) s
    }
    ~Koordinati(){}

}
int main(){

    return 0;
}