03. Photo Pictures

#include <iostream>
#include <string>
#include <iomanip>

using namespace std;

int main()
{
    int count_of_photos;
    string type_of_photo;
    string type_of_order;
    cin >> count_of_photos
        >> type_of_photo
        >> type_of_order;
    double total_cost = 0.0;

    if (type_of_photo == "9X13")
    {
        total_cost = count_of_photos * 0.16;
        if (count_of_photos >= 50)
        {
            total_cost *= 0.95;
        }
    }
    else if (type_of_photo == "10X15")
    {
        total_cost = count_of_photos * 0.16;
        if (count_of_photos >= 80)
        {
            total_cost *= 0.97;
        }
    }
    else if (type_of_photo == "13X18")
    {
        total_cost = count_of_photos * 0.38;
        if (count_of_photos > 100)
        {
            total_cost *= 0.95;
        }
        else if (count_of_photos >= 50)
        {
            total_cost *= 0.97;
        }
    }
    else if (type_of_photo == "20X30")
    {
        total_cost = count_of_photos * 2.9;
        if (count_of_photos > 50)
        {
            total_cost *= 0.91;
        }
        else if (count_of_photos >= 10)
        {
            total_cost *= 0.93;
        }
    }

    if (type_of_order == "online")
    {
        total_cost *= 0.98;
    }

    cout << fixed << setprecision(2) << total_cost << "BGN" << endl;

    return 0;
}