Deer of Santa

#include <iostream>
#include <string>

using namespace std;

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

    double availableFood, deer1, deer2, deer3;
    cin >> availableFood >> deer1 >> deer2 >> deer3;

    availableFood -= (deer1 + deer2 + deer3) * days;

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