#include <iostream>
using namespace std;


void increment(int &);

int main() {
    int i=5;
    i++;

    cout << "address of i: " << &i << endl;

    increment(i);
    cout << i << endl;


    return 0;
}

void increment(int &n) {
    cout << "Address that n is referencing: " << &n << endl;
    cout << "n: " << n << endl;
    n++;
}