package ConditionalStatementMoreExercises;

import java.util.Scanner;

public class Pets {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int days = Integer.parseInt(scanner.nextLine());
        int food = Integer.parseInt(scanner.nextLine());
        double dogFood = Double.parseDouble(scanner.nextLine());
        double catFood = Double.parseDouble(scanner.nextLine());
        double turtleFoodInGrams = Double.parseDouble(scanner.nextLine());
        double left = 0;

        double catAndDogFood = days * (dogFood + catFood);
        double turtleFood = days * turtleFoodInGrams / 1000;
        double total = catAndDogFood + turtleFood;
        if (food >= total) {
            left = food - total;
            System.out.printf("%.0f kilos of food left.", Math.floor(left));
        } else {
            left = total - food;
            System.out.printf("%.0f more kilos of food are needed.", Math.ceil(left));
        }
    }
}