// For testing. Don't modify.
public static void Main(string[] args)
{
string test = Console.ReadLine();
if (test == "rpn")
{
var rpn = new RPN();
while (true)
{
string userInput = Console.ReadLine();
if (userInput == "end")
{
break;
}
else
{
rpn.Process(userInput);
Console.WriteLine("=" + rpn.Result());
}
}
}
if (test == "remove_max")
{
var s1 = new Stack <int>();
Console.ReadLine()
.Split(new[] { ',' })
.Select(Int32.Parse).ToList()
.ForEach(n => s1.Push(n));
Console.WriteLine(RemoveMax(ref s1));
Console.WriteLine(
string.Join(",", s1.Reverse().Select(i => i.ToString()).ToArray()));
}
}