public static void Main()
Console.Write("Input product id:");
string id = Console.ReadLine();
Console.Write("Input product name:");
string name = Console.ReadLine();
Console.Write("Input productstock :");
int stock = int.Parse(Console.ReadLine());
Console.Write("Input product price:");
double price = double.Parse(Console.ReadLine());
Console.WriteLine("-------------------------------------------------------");
double total = stock*price;
Console.WriteLine("{0} {1}",id,name);
Console.WriteLine("{0} x {1:N} = {2:N} baht",stock,price,total);
Console.WriteLine("-------------------------------------------------------");
Console.Write("Input Discount (%) :");
double discount = double.Parse(Console.ReadLine());
Console.WriteLine("=============================");
Console.Write("Total price = {0:n}",total-(total*(discount/100.0)));