ProgBasicsExam16December2018-E01seaTrip

import java.util.Scanner;

public class E01seaTrip {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double moneyFood = Double.parseDouble(scanner.nextLine());
        double moneySouvenir = Double.parseDouble(scanner.nextLine());
        double moneyHotel = Double.parseDouble(scanner.nextLine());

        double km = 420;
        double days = 3;
        double total = 0;

        double gasoline =km/100 * 7;
        double moneyGasoline = gasoline * 1.85;
        double moneyFoodSouvenirs = days * moneyFood + days * moneySouvenir;

        double day1 = moneyHotel * 0.9;
        double day2 = moneyHotel * 0.85;
        double day3 = moneyHotel * 0.8;

        total = moneyGasoline + moneyFoodSouvenirs + day1 + day2 + day3;

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