[HELP] I can't not type < sign in my sqlmap xml file

[Pham Anh Tuan]

Hi,   I can't not type < sign in sql definition xml file, I don't know why, plz help me solve this problem :(   <select id="getNOFBidding" resultClass="int" parameterClass="string"> select COUNT(distinct ITEMID) from SALE where SALESTATUS = 0 and MAXPRICE = 1 and TO_DAYS(NOW()) - TO_DAYS(SALEDATE) <= 15 and TO_DAYS(NOW()) - TO_DAYS(SALEDATE) > 0 and BUYERUSERID = #value# </select> report error: The content of elements must consist of well-formed character data or markup Thanks for reading Anh Tuan