static void Main(string[] args)
{
string input;
CustomStack <int> customStack = new CustomStack <int>();
while ((input = Console.ReadLine()) != "END")
{
string[] split = input.Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);
switch (split[0])
{
case "Push":
foreach (var number in split.Skip(1).Select(int.Parse).ToArray())
{
customStack.Push(number);
}
break;
case "Pop":
if (customStack.Count == 0)
{
Console.WriteLine("No elements");
}
else
{
customStack.Pop();
}
break;
}
}
foreach (var item in customStack)
{
Console.WriteLine(item);
}
foreach (var item in customStack)
{
Console.WriteLine(item);
}
}
static void Main(string[] args)
{
var list = new CustomStack <string>();
var input = Console.ReadLine();
while (input != "END")
{
var com = input.Split(new string[] { ", ", " " }, StringSplitOptions.RemoveEmptyEntries);
var inputTokens = com.Skip(1).ToList();
try
{
switch (com[0])
{
case "Push":
list.Push(inputTokens); break;
case "Pop":
list.Pop(); break;
default:
break;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
input = Console.ReadLine();
}
for (int i = 0; i < 2; i++)
{
Console.WriteLine(string.Join("\n", list));
}
}