Утечка памяти

#include <iostream>
 
using namespace std;
class Stack
{
public:
    int *mas;
    int top;
    int size;
     Stack(int size){
        top= -1;
        mas = new int[size]; 
                   }                      
     ~Stack(){
    cout << "Memory has been cleaned. Good bye." << endl;
     } 
     bool push(int value ){
        if (top == size - 1)
        return false;
    top++;
   mas[top] = value; 
   return true;
    }
 
    bool pop(){
        if (top == - 1)
        return false; 
    mas[top] = 0; 
    top--;
    return true;
      }
    int print(int x){
        
    while ( x--!=0)cout << mas[x]<<endl;
    return 1;
    }
};
 
int main() {
    int size=0;
    cout << "enter the size of the stack: ";
    cin >> size;
    Stack *stack = new Stack(size);
     cout << "enter value of the elements:";
    int ct = 0;
    while (ct!= size)
                          {
        ct++;
        int temp;
        cin >> temp;
        stack -> push(temp);
                           }
 
    stack -> print(ct);
    
    stack->pop();
    
    stack -> print(ct);
 
    delete stack;
    system("pause");
              }

mas = new int[size];

delete [] mas;

     ~Stack(){
    cout << "Memory has been cleaned. Good bye." << endl;
     }

 cout << "Memory has been cleaned. Good bye." << endl;

delete [] mas;

~Stack(){
         delete []mas;
    cout << "Memory has been cleaned. Good bye." << endl;
     }