#include <iostream>
 
 int main()
 {
     int  intValue;
     int &intReference = intValue;
 
     intValue = 5;
     std::cout << "intValue: " << intValue << std::endl;
     std::cout << "intReference: " << intReference << std::endl;
 
     intReference = 7;
     std::cout << "intValue: " << intValue << std::endl;
     std::cout << "intReference: " << intReference << std::endl;
     return 0;
 }
