06. Pets

#include <iostream>
#include <cmath>

using namespace std;

int main() {
    int days;
    cin >> days;

    double availableFoodInKg, dogFoodPerDayInKg, catFoodPerDayInKg, turtleFoodPerDayInGrams;
    cin >> availableFoodInKg >> dogFoodPerDayInKg >> catFoodPerDayInKg >> turtleFoodPerDayInGrams;

    availableFoodInKg -= (dogFoodPerDayInKg + catFoodPerDayInKg + turtleFoodPerDayInGrams / 1000) * days;

    if (availableFoodInKg >= 0) {
        cout << floor(availableFoodInKg) << " kilos of food left." << endl;
    }
    else {
        cout << ceil(abs(availableFoodInKg)) << " more kilos of food are needed." << endl;
    }

    return 0;
}