static void Main(string[] args)
{
Console.WriteLine("Hello World!");
LinkList list = new LinkList();
Node node1 = new Node(5);
Node node2 = new Node(10);
Node node3 = new Node(15);
Node node4 = new Node(20);
Node node5 = new Node(25);
list.Head = node1;
node1.Next = node2;
node2.Next = node3;
node3.Next = node4;
list.Append(1);
list.Append(2);
list.Append(3);
list.Append(4);
list.Append(5);
Console.WriteLine(list.SelectFromEnd(3));
}