#include <iostream>
    using namespace std;
    
    template < class T >
    class Stack {
    private:
        enum   {MAX = 10};
        T      items[MAX];
        int    top;
    public:
        Stack();
        bool Isempty();
        bool Isfull();
        bool Push(const T & item);
        bool Pop(T & item);
    };
    
    template <class T>
    Stack<T>::Stack()
    { top =0;}
    
    template <class T>
    bool Stack<T>::Isempty()
    { return top == 0;}
    
    template <class T>
    bool Stack<T>::Isfull()
    { return top == MAX;}
    
    template <class T>
    bool Stack<T>::Push(const T & item)
    { if (top < MAX)
         { items[top++] = item;
           return true;
         }
      else { return false;}
    }
    
    template <class T>
    bool Stack<T>::Pop(T & item)
    { if (top > 0)
         { item = items[--top];
           return true;
         }
      else { return false;}
    }
    
    int main()
    {
      cout << endl;
      Stack<int> x ;
      Stack<double> y ;
      int a;
      double b;
      bool h;
      int i;
      for (i=1; i<= 15; i++)
         { x.Push(i); cout<< "x.Push " << i << endl;}
      for (i=1; i<= 15; i++)
         { if ( x.Isempty()) break;
           h = x.Pop(a);
           h = y.Push(a+0.5);
           cout<< "y.Push " << a+0.5 << endl;
         }
      for (i=1; i<= 15; i++)
          if ( y.Isempty() ) return 0;
               else {h=y.Pop(b); cout << b << endl;}
      
    }