import java.util.*;
    class genericstack 
    {
        Stack  object = new Stack ();
	public void push(E obj)
        {
            object.push(obj);
	    }
	public E pop()
        {
            E obj = object.pop();
	    return obj;
	    }
    }
    
    public class Result
    {
        public static void main(String args[])
        {
            genericstack  genericstackObj0 = new genericstack();
            genericstackObj0.push("Inteview");
            System.out.print(genericstackObj0.pop() + " ");
            genericstack  genericstackObj1 = new genericstack();
            genericstackObj1.push("Mania");
            System.out.println(genericstackObj1.pop());
        }
    }