#include <iostream>
 
class Counter
{
public:
    Counter();
    ~Counter(){}
    int getValue() const { return value; }
    void setValue(int x) { value = x; }
    const Counter& operator++();   // prefix
    const Counter operator++(int); // postfix
  
private:
    int value;
};
  
Counter::Counter():
value(0)
{}

const Counter& Counter::operator++() // prefix
{
    ++value;
    return *this;
}

const Counter Counter::operator++(int) // postfix
{
    Counter temp(*this);
    ++value;
    return temp;
}
  
int main()
{
    Counter c;
    std::cout << "The value of c is " << c.getValue() 
        << "\n";
    c++;
    std::cout << "The value of c is " << c.getValue() 
        << "\n";
    ++c;
    std::cout << "The value of c is " << c.getValue() 
        << "\n";
    Counter a = ++c;
    std::cout << "The value of a: " << a.getValue();
    std::cout << " and c: " << c.getValue() << "\n";
    a = c++;
    std::cout << "The value of a: " << a.getValue();
    std::cout << " and c: " << c.getValue() << "\n";
    return 0;
}