#include <iostream>
using std::cout;
using std::endl;
class base {
public:
int a;
int get_a(void) { return a; }
};
class derived : private base {
public:
base::a;
base::get_a;
};
int main(void)
{
derived o;
o.a = 13;
cout << o.get_a() << endl;
return 0;
}
/*
run:
13
*/