public static void Main()
{
int n = int.Parse(Console.ReadLine());
var swaps = Console.ReadLine().Split(' ').Select(int.Parse);
var nodes = new LinkedNode[n + 1];
nodes[0] = new LinkedNode(-20);
nodes[1] = new LinkedNode(1);
for (int i = 2; i < nodes.Length; i++)
{
var currentNode = new LinkedNode(i);
nodes[i - 1].Attach(currentNode);
nodes[i] = currentNode;
}
var first = nodes[1];
var last = nodes[nodes.Length - 1];
foreach (var swap in swaps)
{
var targetNode = nodes[swap];
var newFirst = targetNode.Right;
var newLast = targetNode.Left;
targetNode.Detach();
if (first == targetNode)
{
last.Attach(targetNode);
first = newFirst;
last = targetNode;
}
else if (last == targetNode)
{
targetNode.Attach(first);
last = newLast;
first = targetNode;
}
else
{
targetNode.Attach(first);
last.Attach(targetNode);
first = newFirst;
last = newLast;
}
}
Console.WriteLine(string.Join(" ", first));
}
public void Detach()
{
if (this.Left != null)
{
this.Left.Right = null;
this.Left = null;
}
if (this.Right != null)
{
this.Right.Left = null;
this.Right = null;
}
}
public void Attach(LinkedNode node)
{
this.Right = node;
node.Left = this;
}
public LinkedNode(int value)
{
this.Value = value;
this.Left = null;
this.Right = null;
}
