// polygon.cc
#include <iostream>
#include <string>
using namespace std;

class Polygon
{
  public:
    int NumSides;
    void Draw(void) {
      cout << "Drawing polygon with " << NumSides << " sides." << endl;
    }
    Polygon(int sides) {
      NumSides = sides;
    }
};
  
int main()
{
  Polygon Triangle(3);
  Polygon Square(4);
  Triangle.Draw();
  Square.Draw();
}