#include <iostream>
using namespace std;

template<typename... Args>
class Dummy
{
public:
    template <typename ...Args2> void test( Args2 ... );
};


template <typename... Args>
template <typename... Args2>
void Dummy<Args...>::test( Args2 ... )
{
}

int main() {
	// your code goes here
	return 0;
}