harvest

import java.util.Scanner;
import java.lang.Math;
public class harvest {
    public static void main(String []args){
        Scanner scanner = new Scanner(System.in);
        int vineyard = Integer.parseInt(scanner.nextLine());
        //Double vineyard = Double.parseDouble(scanner.nextLine());
        Double grapes = Double.parseDouble(scanner.nextLine());
        int litersWine = Integer.parseInt(scanner.nextLine());
        //Double litersWine = Double.parseDouble(scanner.nextLine());
        int workers = Integer.parseInt(scanner.nextLine());
        //Double workers = Double.parseDouble(scanner.nextLine());
        Double allGrapes = vineyard * grapes;
        Double wine = ((40 * allGrapes) / 100) /2.5;
        Double litersLeft = Math.abs(wine - litersWine);
        Double litersMore = Math.abs(litersWine - wine);
        Double litersPerPerson = litersLeft / workers;
            if (wine >= litersWine) {

                System.out.printf("Good harvest this year! Total wine: %.0f liters.", Math.floor(wine));
                System.out.println();
                System.out.printf("%.0f liters left -> %.0f liters per person.", Math.ceil(litersLeft), Math.ceil(litersPerPerson));

            } else {


                System.out.printf("It will be a tough winter! More %.0f liters wine needed.", Math.floor(litersMore));

            }

    }



}