---

#include <iostream>
using namespace std;

void f(int i)  {
    i = i + 40;
    cout << "i inside function = " << i << endl;
}
int main() {
    setlocale(LC_ALL, "Russian");
    int i = 10;
    cout << "i before function call = " << i << endl;
    f(i);
    cout << "i after function call = " << i << endl;
}