Why is the "EndDate" not getting executed in my SQL Function (UDF)?

[Fahhad]

I need to pass the @startDate and @endDate as variables to @range in the code given below. But when I execute the below code, I'm getting the Error as follows. What is going wrong in my code, and how can I correct it?

Errors:

Msg 102, Level 15, State 1, Procedure GetWorkingDays2, Line 4
Incorrect syntax near ')'.
Msg 178, Level 15, State 1, Procedure GetWorkingDays2, Line 19
A RETURN statement with a return value cannot be used in this context.

use employee
go
 
CREATE FUNCTION dbo.GetWorkingDays2 
( 
@InputDate SMALLDATETIME, 
); 
RETURNS INT 
AS 
BEGIN 
DECLARE @range INT, 
@startDate SMALLDATETIME,
@endDate SMALLDATETIME;
 
SET @startDate = DATEADD(dd, -(DAY(@InputDate)-1), @InputDate);
SET @endDate = DATEADD(dd, -(DAY(DATEADD(mm, 1, @InputDate))), DATEADD(mm, 1, @InputDate));
SET @range = DATEDIFF(DAY, @startDate, @endDate)+1; 
 
RETURN 
( 
SELECT 
@range / 7 * 5 + @range % 7 - 
( 
SELECT COUNT(*) 
FROM 
( 
SELECT 1 AS d 
UNION ALL SELECT 2 
UNION ALL SELECT 3 
UNION ALL SELECT 4 
UNION ALL SELECT 5 
UNION ALL SELECT 6 
UNION ALL SELECT 7 
) weekdays 
WHERE d <= @range % 7 
AND DATENAME(WEEKDAY, @endDate - d + 1) 
IN 
( 
'Saturday', 
'Sunday' 
) 
) - (select count(*) from dbo.EmpTab Where EmpID = 123)
); 
END 
GO

--PRINT dbo.getWorkingDays2('20130228')

[Rabbit]

Delete the semicolon on line 7. A semicolon ends a statement.