Simple Crystal Report

Dear Experts,

Sorry for this question i know this is very simple to you, but this is hard for me as a beginner. can you please help me how can i do this... thank you..

iam creating a reports to show the value different Account Number e.g

Acount Number : 5001, 5002,........ 5099

if {PCH1.AcctCode} ='5001' and {PCH1.AcctCode} <='5099' then {OPCH.DocTotal} else 0

please check what is wrong... please please...