#include <iostream>

using std::cout;
using std::endl;

class Stuff {
private:
	int a, b;

	int fred(int b) {
		a = a + b;
		return 4;
	}

	class Barney {
	private:
		int a;
		Stuff *dad;
		void sigfreid() {
			a = dad->fred(a);
		}
	public:
		Barney(Stuff *_dad) { dad = _dad; }

		void barney(int c) {
			a = c;
			sigfreid();
			cout << a << " " << dad->b << " " << c << endl;
		}
	};
public:
	Stuff() {
		a = 2;
		b = 7;
		Barney barn(this);
		barn.barney(3);
		cout << a << " " << b << endl;
	}
};

int main(int argc, char **argv)
{
	Stuff s;
}