#include <iostream>
using namespace std;

struct a {
	struct b {
		int b1;
	};
	b a1;
	int a2;
};
int main() {
	a test;
	test.a1.b1 = 5;
	test.a2 = 6;
	
	std::cout<<&test<<" "<<&(test.a1);
	// your code goes here
	return 0;
}