import MyStack;

class StackTest {
    public static void main(String[] args) {
        MyImprovedStack s = new MyImprovedStack();
	s.push ("first"); 
	s.push ("second");
	System.out.println("peeking " + s.peek());
	while (!s.empty()) 
	    System.out.println("popping " + s.pop());
    }
}