#include <ctime>
#include <iostream>
using namespace std;
int main() {
	int y, u, k, i, c, o, d, e, r;
	cin >> y >> u >> k >> i >> c >> o >> d >> e >> r;
	int h = y + u * 3 + k * 9;
	while (clock() < h * 0.05 * CLOCKS_PER_SEC);
	return 0;
}