09.PadawanEquipmentEdited

// input
double money = double.Parse(Console.ReadLine()!);
int students = int.Parse(Console.ReadLine()!);
double lightsaberPrice = double.Parse(Console.ReadLine()!);
double robePrice = double.Parse(Console.ReadLine());
double beltPrice = double.Parse(Console.ReadLine()!);

// • Lightsaber
double lightsabers = Math.Ceiling((double)students * 1.10);  //Tук няма как да умножиш students по 1.10, тъй като е int, а не double, затова го правиш на double със скобите пред него най-просто
double sumLightsabers = lightsabers * lightsaberPrice;

//   Robe
double sumRobes = students * robePrice;

// • Belt
double belts = students;
double sumBelts = belts * beltPrice;

//if (students >= 6)
//{
//    double beltsDiscount = belts / 6;
//    sumBelts = (belts - beltsDiscount) * beltPrice;
// Това не е правилно решение, това отдолу е:

double sixthBelts = Math.Floor((double) students / 6); // Така виждаш колко пъти имаш шести колан
sumBelts = (students * beltPrice) - (sixthBelts * beltPrice);

// total
double totalSum = sumRobes + sumLightsabers + sumBelts;

if (totalSum <= money)
{
    Console.WriteLine($"The money is enough - it would cost {totalSum:f2}lv.");
}
else
{
    Console.WriteLine($"John will need {totalSum - money:f2}lv more.");
}