01. Oscars ceremony

package examPreparation;

import java.util.Scanner;

public class P01OscarsCeremony {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int hallRent = Integer.parseInt(scanner.nextLine());

        double statuette = hallRent * 0.7;
        double catering = statuette * 0.85;
        double sound = catering / 2;

        double expenses = statuette + catering + sound + hallRent;

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

    }
}