public static void Main()
{
var input = Console.ReadLine().Split();
var list = new List <string>();
if (input.Length > 1)
{
for (int i = 1; i < input.Length; i++)
{
var currentElement = input[i];
list.Add(currentElement);
}
}
var iterator = new ListyIterator <String>(list);
while (true)
{
var command = Console.ReadLine();
if (command == "END")
{
break;
}
if (command == "Move")
{
Console.WriteLine(iterator.Move());
}
else if (command == "Print")
{
iterator.Print();
}
else if (command == "HasNext")
{
Console.WriteLine(iterator.HasNext());
}
else if (command == "PrintAll")
{
Console.WriteLine(string.Join(" ", list));
}
}
}
static void Main()
{
var items = new ListyIterator <string>(Console.ReadLine().Split().Skip(1).ToArray());
try
{
string line;
while ((line = Console.ReadLine()) != "END")
{
var tokens = line.Split();
switch (tokens[0])
{
case "HasNext":
Console.WriteLine(items.HasNext());
break;
case "Move":
Console.WriteLine(items.Move());
break;
case "Print":
items.Print();
break;
case "PrintAll":
var sb = new StringBuilder();
foreach (var item in items)
{
sb.Append(item + " ");
}
Console.WriteLine(sb.ToString().TrimEnd());
break;
}
}
}
catch (InvalidOperationException e)
{
Console.WriteLine(e.Message);
}
}
