public class LinkedStackMain
{
	public static void main (String[ ] args)
	{
		LinkedPureStack<Integer> stack = new LinkedPureStack<Integer>();

		stack.push (28);
		stack.push (13);
		stack.push (17);
		stack.pop();
		stack.pop();
		stack.push (21);
		LinkedPureStack<Integer> newStack = new LinkedPureStack<Integer> (stack);
		while (!newStack.isEmpty())
			System.out.println (newStack.pop());
	} // method main

} // class LinkedStackMain