Реализовать наследование

#include <iostream>
#include <string>
using namespace std;
 
class Point
{
private:
int _x,_y;
 
public:
Point() { _x = _y = 0; cout << "Point Inital "<<endl; }
Point(int x, int y) { _x = x; _y = y; }
~Point() { cout << "Point Intet" << endl; }
 
void f() { cout << " I am from Point" << endl; }
void getLocation() { cout << "x, y = " << _x << " " << _y << endl; }
};
 
class RGB
{
private:
int _r,_g,_b;
 
public:
RGB ( int r, int g, int b)
{
_r = r; _g = g; _b = b;
}
RGB () { _r = _g = _b = 0; cout << "rgb+" <<endl; }
~RGB () { cout << "rgb-" <<endl; }
void f () { cout << "rgb-+" <<endl; }
void getColor() { cout << " r, g, b = " << _r << " " <<_g << " " << _b << endl; }
};
 
class ColorPoint : public RGB, Point
//class ColorPoint
{
public:
 
ColorPoint () { cout << "ColorPoint..+.+" <<endl; }
~ColorPoint () { cout << "ColorPoint...+.+.+" <<endl; }
void f () { cout <<"I am from ColorPoint" <<endl; }
 
};
int main()
{
Point A1(3,4);
A1.getLocation();
 
Point Ax2;
Ax2.getLocation();// getLocation();
 
RGB B1(5,6,7);
B1.getColor();
 
 
RGB B2;
B2.getColor();
 
ColorPoint C1;
C1.getColor();
 
cout << "ColorPoint!" << endl;
return 0;
}