zadacha 1 test

using System;

public class Program
{
    public static void Main()
    {
        int people = int.Parse(Console.ReadLine());
        int jacket = int.Parse(Console.ReadLine());
        int helmet = int.Parse(Console.ReadLine());
        int shoes = int.Parse(Console.ReadLine());
        double price = (jacket * 120 + helmet * 75 + shoes * 299.90) * people;
        double price1 = price + price * 0.2;
        Console.WriteLine("{0:F2}", price1);
    }
}