public void Run(string[] args)
{
Vector <string> expression = new Vector <string>();
expression.Add("5");
expression.Add("2");
expression.Add("3");
expression.Add("+");
expression.Add("+");
RPNCalculator calc = new RPNCalculator(expression);
Console.WriteLine(string.Format("Input Expression = {0}, and the result = {1}", expression.ToString(), calc.GetResult()));
}