#include <iostream>

class A {
	public:
	A(){}
	int i = 0;
	int j;
};

class B {
	public:
	B() = default;
	int i = 0;
	int j;
};

int main()
{
	for( int i = 0; i < 10; ++i) {
			A* pa = new A();
	        B* pb = new B();
	std::cout << "a: " << pa->i << "," << pa->j << std::endl;
	std::cout << "b: " << pb->i << "," << pb->j << std::endl;
	delete pa;
	delete pb;
	}
  return 0;
}