#include "stdafx.h"
#include <iostream>
typedef unsigned char day;
typedef unsigned char month;
typedef unsigned char year;
struct Date
{
	day dd;
	month mm;
	year yyyy;
};
bool operator ==(Date & x, Date & y)//== -> !=
{
	if (x.yyyy == y.yyyy)
	{
		if (x.mm == y.mm)
		{
			if (x.dd == y.dd) return false;
		}
	else return true;
	}
}
bool operator >(Date & x, Date & y)//> -> <
{
	if (x.yyyy > y.yyyy || x.yyyy == y.yyyy)
	{
		if (x.mm > y.mm || x.mm==y.mm)
		{
			if (x.dd > y.dd || x.dd==y.dd) return false;
		}
		else return true;
	}
}
	bool operator <(Date & x, Date & y)//< -> >
{
		if (x.yyyy < y.yyyy || x.yyyy == y.yyyy)
		{
			if (x.mm < y.mm || x.mm == y.mm)
			{
				if (x.dd < y.dd || x.dd == y.dd) return 0;
			}
		}
	else return 1;
}
int _tmain(int argc, _TCHAR* argv[])
{
	Date date1 = { 7, 1, 1980 };
	Date date2 = { 7, 2, 1993 };
	Date date3 = { 7, 1, 1980 };
	if (date1<date2) std::cout << "true" << std::endl; //>
	else std::cout << "false" << std::endl;//false
	if (date1>date2) std::cout << "true" << std::endl;//<
	else std::cout << "false" << std::endl;//true
	if (date1 == date2) std::cout << "true" << std::endl;//!=
	else std::cout << "false" << std::endl;//true
	if (date1 == date3) std::cout << "true" << std::endl;//!=
	else std::cout << "false" << std::endl;//false
	system("pause");
	return 0;
}