#include <iostream>

class A{
	int a,b,c;
};

class B{
	int a,b,c;
public:
	virtual ~B(){}

};

class C {
	int a,b,c;

	void funcC(){
	}
	void funcCC(){
	}
};


int main(){
	A a;
	B b;
	C c;

	std::cout<<"A =>"<< sizeof(a)<<std::endl;
	std::cout<<"B =>"<< sizeof(b)<<std::endl;
	std::cout<<"C =>"<< sizeof(c)<<std::endl;
	return 0;
}