#include <iostream.h>

// class declaration

class Date
{
  private:
    int month;
    int day;
    int year;
  public:
    Date(int = 7, int = 4, int = 2001);     // constructor
    Date operator=(const Date&);  // define assignment of a date
    void showdate();         // member function to display a date
};

// implementation section

Date::Date(int mm, int dd, int yyyy)
{
  month = mm;
  day = dd;
  year = yyyy;
}

Date Date::operator=(const Date& newdate)
{
  day = newdate.day;       // assign the day
  month = newdate.month;   // assign the month
  year = newdate.year;     // assign the year

  return *this;
}

void Date::showdate(void)
{
  cout << setfill('0')
       << setw(2) << month << '/' 
       << setw(2) << day << '/' 
       << setw(2) << year % 100;
  cout << endl;
  return;
}

int main()
{
  Date a(4,1,1999), b(12,18,2001), c(1,1,2002); // declare three objects

  cout << "Before assignment a's date value is ";
  a.showdate();
  cout << "Before assignment b's date value is ";
  b.showdate();
  cout << "Before assignment c's date value is ";
  c.showdate();

  a = b = c;  // multiple assignment

  cout << "\nAfter assignment a's date value is ";
  a.showdate();
  cout << "After assignment b's date value is ";
  b.showdate();
  cout << "After assignment c's date value is ";
  c.showdate();

  return 0;
}