#include <iostream>
using namespace std;




long n;

int main() {
	cin >> n;
	int x, k;
	double p = 1.0 * n / 52;
	for (int k = 1; k <= p; ++k) {
		for (int x = p; x >= 1; x--) {


			if (x * 7 + k * 21 == p) {
				cout << x << endl << k;
			}
		}
	}


	return 0;
}