static void x()
{
List <Product> lista = new List <Product>();
Console.Write("Enter N: ");
int n = int.Parse(Console.ReadLine());
for (int i = 0; i < n; i++)
{
string[] array = Console.ReadLine().Split(",");
string nm = array[0];
double pr = double.Parse(array[1], CultureInfo.InvariantCulture);
lista.Add(new Product(nm, pr));
}
CalcService calc = new CalcService();
Product mx = calc.Max(lista);
Console.WriteLine();
Console.WriteLine("Max: ");
Console.WriteLine(mx);
}