p02_Pets

import java.util.Scanner;
import java.lang.Integer;

public class Pets {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);

        int daysAway = Integer.parseInt(console.nextLine());
        int foodLeftInKilos = Integer.parseInt(console.nextLine());

        double dogsFoodKgDay = Double.parseDouble(console.nextLine());
        double catsFoodKgDay = Double.parseDouble(console.nextLine());
        double turtleFoodGrDay = Double.parseDouble(console.nextLine());

        double dogsFood = dogsFoodKgDay * daysAway;
        double catsFood = catsFoodKgDay * daysAway;
        double turtlesFood= (turtleFoodGrDay * daysAway) / 1000;

        double allAnimalsFood = dogsFood + catsFood + turtlesFood;
        double enoughtFood = foodLeftInKilos - allAnimalsFood;


        if( enoughtFood >= 0){
            enoughtFood = Math.floor(enoughtFood);
            System.out.println((int)enoughtFood + " kilos of food left.");
        }else if (enoughtFood < 0 ){
            enoughtFood = Math.abs(enoughtFood);
            enoughtFood = Math.ceil(enoughtFood);
            System.out.println((int)enoughtFood + " more kilos of food are needed.");
        }

    }
}