package ConditionaStatments;

import java.util.Scanner;

public class Pets {
    public static void main(String[] args) {
        Scanner scanne = new Scanner(System.in);
        int numberdays = Integer.parseInt(scanne.nextLine());
        int leftFood = Integer.parseInt(scanne.nextLine());
        double dogFoodKg = Double.parseDouble(scanne.nextLine());
        double catFoodKg = Double.parseDouble(scanne.nextLine());
        double turtleFoodGg = Double.parseDouble(scanne.nextLine());
        double dogfoodNeed = numberdays * dogFoodKg;
        double catfoodNeeded = numberdays * catFoodKg;
        double turtlefoodneed = (numberdays * turtleFoodGg) / 1000;
        double totalFood = dogfoodNeed + catfoodNeeded + turtlefoodneed;
        if (leftFood > totalFood){
            System.out.printf("%.0f kilos of food left.", Math.floor(leftFood - totalFood));
        }else {
            System.out.printf("%.0f more kilos of food are needed.", Math.ceil(totalFood - leftFood));
        }



    }
}