tailoring-shop

using System;

class Program
{
    static void Main(string[] args)
    {
        int tables = int.Parse(Console.ReadLine());
        double tablesLength = double.Parse(Console.ReadLine());
        double tablesWidth = double.Parse(Console.ReadLine());

        double tableCoverArea = tables * (tablesLength + 2 * 0.30) * (tablesWidth + 2 * 0.30);
        double quadsArea = tables * (tablesLength / 2) * (tablesLength / 2);

        double priceUSD = (tableCoverArea * 7) + (quadsArea * 9);
        double priceBGN = priceUSD * 1.85;

        Console.WriteLine($"{priceUSD:F2} USD");
        Console.WriteLine($"{priceBGN:F2} BGN");
    }
}