Exer13_14.cpp

#include <iostream>
#include "Exer13_14.h"
using std::cout;
using std::endl;
int main()
{
    numbered a, b = a, c = b;
    f(a); f(b); f(c);
    cout << "Real value of a, b and c" << endl;
    cout << a.mysn << endl;
    cout << b.mysn << endl;
    cout << c.mysn << endl;
    return 0;
}