#include <fstream>
#include <iostream>

int main() {

	//std::ifstream inf("Text.txt");	std::cin.rdbuf(inf.rdbuf());

	char c1, c2, c3;
	std::cin >> c1 >> c2 >> c3;

	if (c2 == '2') {
		std::cout << "4" << std::endl;
	}
	else if (c2 == '3') {
		std::cout << "1" << std::endl;
	}
	else {
		std::cout << "14" << std::endl;
	}

	return 0;
}