EXAM 31.10 // 01. Christmas Preparation

import java.util.Scanner;

public class Izpit01 {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int BROpHartiq = Integer.parseInt(scanner.nextLine());
        int BRPlat = Integer.parseInt(scanner.nextLine());
        double LitriLepilo = Double.parseDouble(scanner.nextLine());
        int ProcentNamalenie = Integer.parseInt(scanner.nextLine());

        double CenaHartiq = BROpHartiq * 5.80;
        double CenaPlat = BRPlat * 7.20;
        double CenaLepilo = LitriLepilo * 1.20;
        double CenaMateriali = CenaHartiq+CenaPlat+CenaLepilo;
        double Namalenie = (CenaMateriali / 100) * ProcentNamalenie;
        double FinalnaCena = CenaMateriali - Namalenie;

        System.out.printf("%.3f", FinalnaCena);
    }
}