#include <iostream>
using namespace std;
int main() {
int* a = new int();
*a = 1;
cout << *a << endl;
delete a;
cout << *a << endl;
int* b = new int();
*b = 2;
cout << *a << endl;
cout << *b << endl;
delete a;
cout << *a << endl;
cout << *b << endl;
return 0;
}
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