#include <iostream>
using namespace std;

int main()
{
    int x = 4;
    int* pi = new int(7);
    cout << *pi << endl;
    delete pi;
    pi = nullptr;
    cout << "Line 11" << endl;
   // x = *pi;
    cout << "Line 13" << endl;
    cout << x << endl;
    delete pi;
    cout << "Have a nice day" << endl;
}