#include <iostream>
const int DIM_MAX = 100;
template <class T>
class PILA
 		{private:
         T *A;
         int TOP;
       public:
         PILA()
             {A = new T[DIM_MAX];
              TOP = 0;}
         void PUSH(T x);
         T POP();
         int EMPTY();};      
template <class T>
void PILA<T>::PUSH(T x)
 				 {if (TOP == DIM_MAX) 
 				    cout << "pila piena!" ;
 				    else
 				    {A[TOP] = x;
                   ++TOP;}}
template <class T>
T PILA<T>::POP()
 				 {--TOP;
              return A[TOP];}             
template <class T>
int PILA<T>::EMPTY()
 				 {if (TOP == 0) return 1;
              else return 0;
             }

int main()
 		{
       PILA<int> P1;
       PILA<char> P2;
       P1.PUSH('a'); P2.PUSH('b');
       cout << P2.POP() << endl;

       return 0;
      }