Telemetry Packet Memory Cleanup

#include <iostream>
using namespace std;

int main() {
    int firstValue, secondValue;
    cin >> firstValue >> secondValue;

    int* pointer = new int;
    *pointer = firstValue;

    delete pointer;
    pointer = new int;

    *pointer = secondValue;
    cout << *pointer; 

    delete pointer;
    pointer = nullptr;

    return 0;
}

Solving Approach