#include <iostream>
using namespace std;
class Base {
private: int id;
};
class Derived : Base {
public: int id;
};
int main() {
new Derived();
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKCmNsYXNzIEJhc2UgewogIHByaXZhdGU6IGludCBpZDsKfTsKCmNsYXNzIERlcml2ZWQgOiBCYXNlIHsKICBwdWJsaWM6IGludCBpZDsKfTsKCgppbnQgbWFpbigpIHsKICBuZXcgRGVyaXZlZCgpOwogIHJldHVybiAwOwp9