If you have SMS just right-click Stored Procedures and choose New. You'll get the template like this:
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE <procedure_name,>
<@Param1, sysname, @p1> <datatype_for_param1,> = <default_value_for_param1,>,
<@Param2, sysname, @p2> <datatype_for_param2,> = <default_value_for_param2,>
AS
BEGIN
SET NOCOUNT ON;
SELECT <@Param1, sysname, @p1>, <@Param2, sysname, @p2>
END
GO</create>
For starters, you are missing the AS keyword.