#include <iostream>

int main() {
	int N;
	std::cin >> N;
	N = N % 6;
	switch (N) {
	case 0:
		std::cout << "4" << std::endl;
		break;
	case 1:
		std::cout << "2" << std::endl;
		break;
	case 2:
		std::cout << "8" << std::endl;
		break;
	case 3:
		std::cout << "5" << std::endl;
		break;
	case 4:
		std::cout << "7" << std::endl;
		break;
	case 5:
		std::cout << "1" << std::endl;
		break;
	}
	return 0;
}