//This file is leapdate.h.
#ifndef DATEH
#define DATEH
#include "date.h"
using namespace std;

class leapdate: public date {
	int length();
	void install(int m, int d, int y);
public:
	leapdate(int initial_month, int initial_day, int initial_year) {
		: date(initial_month, initial_day, initial_year);
	}
	leapdate(): date();   //can remove this line

	leapdate& operator++();
	leapdate& operator--();
};
#endif