#include <iostream>
#include <string>
using namespace std;

int main() {
	auto_ptr<string> a(new string("hello world"));
	cout << &a << " " << a.get() << " " << *a << endl;
	auto_ptr<string> b = a;
	cout << &a << " " << a.get() << endl;
	cout << &b << " " << b.get() << " " << *b << endl;
}