#include <iostream>
using namespace std ;
class engine
{
	public:
	int cyclinders ;
	engine()
	{
		cout << "Engine constructor." << endl ;
		cyclinders = 4 ;
	}
	engine(int cyclindersP )
	{
		cout << "Engine constructor with an argument." << endl ;
		cyclinders = cyclindersP ;
	}
};

class car
{
	public:
	engine engineObj ;
};

int main()
{
	car carObject ;
	cout << "Cylinders : " << carObject.engineObj.cyclinders << endl ;
	return ( 1 ) ;
}