#include <iostream>
using namespace std;
 
struct a {
	a(int) {
		cout << "+a" << endl;
	}
	~a() {
		cout << "~a" << endl;
	}
};
 
struct b {
	b(const a& a) {
		cout << "+b(a)" << endl;
	}
	b(const b& a) {
		cout << "+b(b)" << endl;
	}
	~b() {
		cout << "~b" << endl;
	}
	b& operator=(const b& bb) {
		cout << "=b" << endl;
	}
};
 
int main() {
	b b1(a(1));
	cout << "----" << endl;
	b b2= b(a(1));
	printf("%p %p\n", (void*)&b1, (void*)&b2);
	return 0;
}

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