#include <iostream>
using namespace std;
class B
{
public:
int x;
};
class A
{
public:
B getB(){return B();}
};
int main() {
A test;
cout<<test.getB().x<<endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwpjbGFzcyBCCnsKcHVibGljOgoJaW50IHg7Cn07CgpjbGFzcyBBCnsKcHVibGljOgogICAgQiBnZXRCKCl7cmV0dXJuIEIoKTt9Cn07CgppbnQgbWFpbigpIHsKCUEgdGVzdDsKCWNvdXQ8PHRlc3QuZ2V0QigpLng8PGVuZGw7CglyZXR1cm4gMDsKCn0=