import java.util.Scanner;

public class Exercise1002 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double priceofWhiskiinBGN = Integer.parseInt(scanner.nextLine());
        double BeerinLiters = Integer.parseInt(scanner.nextLine());
        double WineinLiters = Integer.parseInt(scanner.nextLine());
        double RakiainLiters = Integer.parseInt(scanner.nextLine());
        double WhiskeyinLiters = Integer.parseInt(scanner.nextLine());


        double priceofRakia = priceofWhiskiinBGN * 0.5;
        double priceofBeer = priceofWhiskiinBGN  * 0.2;
        double priceofWine = priceofWhiskiinBGN  * 0.6;
        double totalWiskyeprice = priceofWhiskiinBGN * WhiskeyinLiters;
        double totalrakiaprice = priceofRakia * RakiainLiters;
        double toralwineprice = priceofWine * WineinLiters;
        double totalbeerprice = priceofBeer * BeerinLiters;

        double total = totalWiskyeprice + toralwineprice + totalbeerprice + totalrakiaprice;

        System.out.printf("%.2f",total);
    }
}

Exception in thread "main" java.lang.NumberFormatException: For input string: "3.5"

                at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)

                at java.base/java.lang.Integer.parseInt(Integer.java:652)

                at java.base/java.lang.Integer.parseInt(Integer.java:770)

                at Exercise1002.Exercise1002.main(Exercise1002.java:10)

Process finished with exit code 1