#include <iostream>
#include <string>
using namespace std;

class Stack 
{
private:
    int place;
    int stak;
    int *star;
    
public:
    int Stak ()
    {
        place = 0 ;
        stak = 1;
        star = new int[stak]; 
    }
    void put(int dat)
    {   
        
        if (place < stak)
        
        {
            star[place++]= dat; 
        }
        else
        {
            
            int mass =  stak = place + 1;
            int *arr = new int [mass];
            for (int i = 0 ; i < place ; i++)
            {
                arr[i] = star[i];
            }
            delete [] star;
            star = arr;
            star[place++] = dat;
            
        }           
    }
    
    void pop()
    {
        star[--place] = 0;
    }
    
    void conclusion ()
    {
        for (int i = 0; i < place; i++)
            cout <<"Elements " << i << " is " << star[i]<< endl;
        
    }
    void del()
    {
        delete [] star;
    }
};

int main()
{
    Stack Stk1;
    Stk1.Stak();
    Stk1.put(1);
    Stk1.put(2);
    Stk1.put(3);
    Stk1.put(4);
    Stk1.put(1);
    Stk1.conclusion();
    Stk1.del();
    return 0;
}