#include
using namespace std;
int main()
{
int j, k;
int &i = j; // independent reference
j = 10;
cout << j << " " << i; // outputs 10 10
k = 121;
i = k; // copies k's value into j, not k's address
cout << "\n" << j; // outputs 121
return 0;
}
10 10
121