#include <iostream>
using namespace std;

template<class T>
class MyVar
{
    int x;

public:
	friend void printVar(const MyVar & var) {
    	std::cout << var.x << std::endl;
	}
	friend void scanVar(MyVar & var) {
    	std::cin >> var.x;
	}
};


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