#include <cstdio>
#include <vector>
class Person{
public:
    int age;
	int weight;
	Person(int age, int weight):age(age), weight(weight){}
};
int main() {
	std::vector<Person> ls;
	Person p(33, 44);
	ls.push_back(p);
	ls.push_back(p);
	ls.push_back(p);
	for(auto i=ls.begin();i!=ls.end();++i){
		printf("%X %X %d %d\n", i, &(*i), (*i).age, (*i).weight);
	}

}