#include <iostream>
using namespace std;

int main() {

				class A {
			public:
				static double test_code(const A& a);
				
			};

			class B : public A {
			public:
				B(int i) { };
				static double test_code2(const B& b);
			};

			A::test_code(2);
			B::test_code2(2);

return 0;

}