05. Firm

#include <iostream>

using namespace std;

int main() {
    int neededHours, days, workers;
    cin >> neededHours >> days >> workers;

    int totalHours = days * 0.9 * workers * (8 + 2);

    if (neededHours > totalHours) {
        cout << "Not enough time!" << neededHours - totalHours << " hours needed." << endl;
    }
    else {
        cout << "Yes!" << totalHours - neededHours << " hours left." << endl;
    }

    return 0;
}