Sea Trip

#include <iostream>
#include <string>

using namespace std;

int main() {
    double dayFoodPrice, daySouvenirPrice, dayHotelPrice;
    cin >> dayFoodPrice >> daySouvenirPrice >> dayHotelPrice;

    double foodPrice = dayFoodPrice * 3;
    double souvenirPrice = daySouvenirPrice * 3;
    double hotelPrice = dayHotelPrice * 0.90 + dayHotelPrice * 0.85 + dayHotelPrice * 0.80;
    double transportPrice = 210.0 * 2 / 100 * 7 * 1.85;

    printf("Money needed: %.2f\n", foodPrice + souvenirPrice + hotelPrice + transportPrice);
    return 0;
}