import balik.*;	//zpristupni vsechny triby baliku
public class Test {
   public static void main(String[ ] args) {
      Stack_class myStack = new Stack_class();
      myStack.push(25);
      myStack.push(120);
      System.out.println(myStack.top());
      myStack.pop();
      System.out.println(myStack.top());
   }
}