int main()
{
	int sum = 0;
	int year1 , year2;
	int month1 , month2;
	int day1 , day2;
	cin >> year1 >> month1 >> day1;
	cin >> year2 >> month2 >> day2;
	int mon[13] = { 0 , 31 , 28 , 31 , 30 , 31 , 30 , 31 , 31 , 30 , 31 , 30 , 31 };

	int year , month , day;
	int days;
	for( year = year1 ; year < year2 ; year ++ )
	{
		if( (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0 ))
			days = 366;
		else
			days = 365;
		sum = sum + days;
	}
	for( month = 1 ; month < month1 ; month ++ )
	{
		if( (year1 % 4 == 0 && year1 % 100 != 0) || (year1 % 400 == 0 ) )
			mon[2] = 29;
		sum = sum - mon[month];
	}
	for( day = 1 ; day < day1 ; day ++ )
		sum --;
	for( month = 1 ; month < month2 ; month ++ )
	{
		if( (year2 % 4 == 0 && year2 % 100 != 0) || (year2 % 400 == 0 ) )
			mon[2] = 29;
		sum = sum + mon[month];
	}
	for( day = 1 ; day < day2 ; day ++ )
		sum ++;
	cout << sum;


	return 0;
}
