static void Main(string[] args)
{
Console.WriteLine("Input expression");
string str = Console.ReadLine();
Console.WriteLine("Choose arrayStack (0) or stack (1)");
int i = int.Parse(Console.ReadLine());
if (i == 0)
{
var calculatorArray = new StackCalculator(str, new StackArray());
calculatorArray.Calculate();
return;
}
var calculator = new StackCalculator(str, new Stack());
calculator.Calculate();
}
