public class MyStackTester
{
	public static void main (String[] args)
	{
		MyStack S = new MyStack();
		
		S.push(1);
		S.push(2);
		S.push(3);
		
		S.print();
		
		System.out.println("top is " + S.top());
		
		S.pop();
		System.out.println("top(pop) is " + S.top());
		
		S.print();
	}
}