#include <iostream>
#include <iomanip>
#include <math.h>
using namespace std;

int main() {
    int people;
    int numPizzas;
    double cost;

    /* Type your code here. */
    //people eat two slices each
    // Pizza has 12 slices
    // costs 14.95 each
    cost = 14.95;
    cin >> people;
    numPizzas = ceil((2 * people)/12.0);

    cout << "Pizzas: " << numPizzas << endl;
    cout << "Cost: $" << fixed << setprecision(2) << cost*numPizzas << endl;
}