IF statement in vdc configuration file

"@@FILE VERSION@@","251"
"@@TABLEDEF START@@"
"ID=AutoInc,0,""ID"","""",10,Data,"""""
"RECTYP=Integer,0,""RECTYP"","""",10,Data,"""""
"LINEFORMAT=String,255,""LINEFORMAT"","""",255,Data,"""""
"PROCNAME=String,50,""PROCNAME"","""",50,Data,"""""
"ISLID=Integer,0,""ISLID"","""",10,Data,"""""
"ISLPRNT=Integer,0,""ISLPRNT"","""",10,Data,"""""
"ISLTIP=Integer,0,""ISLTIP"","""",10,Data,"""""
"PAR1=Integer,0,""PAR1"","""",10,Data,"""""
"PAR2=Integer,0,""PAR2"","""",10,Data,"""""
"PSTR1=String,50,""PSTR1"","""",50,Data,"""""
"PSTR2=String,50,""PSTR2"","""",50,Data,"""""
"MM=Memo,0,""MM"","""",10,Data,"""""
"@@INDEXDEF START@@"
"@@INDEXDEF END@@"
"@@TABLEDEF END@@"
"ID","RECTYP","LINEFORMAT","PROCNAME","ISLID","ISLPRNT","ISLTIP","PAR1","PAR2","PSTR1","PSTR2","MM",
"40","10","Bilgileri veritabanına aktar","","0","0","0","7","0","","",,
"1","1","*","","0","0","0","1","0","","",,
"13","10","İşlem Görmeyen Satırları Logla","","0","0","0","0","0","","",,
"14","10","Hatalı Satırları Logla","","0","0","0","1","0","","",,
"0","0","Transit Dosyası (Barcode ve Miktarla)","Ver.1.0","0","0","0","0","1","SATIS","C:\POS\barkod.txt",,
"2","2","","","1","0","0","0","0","","",,
"3","3","0","Barcode","2","1","1","1","13","","",,
"8","4","txSATIS","","2","0","0","0","0","","",,
"10","5","KOD","aaa","3","2","1","0",,"","",,
"4","3","1","Adet","3","1","1","15","5","","",,
"11","5","Miktar","Adet","4","2","1","1","0","","",,
"6","3","__SQL('SELECT STOKNO FROM *!FTBLBIRIMLEREX WHERE BARCODE='''+BARCODE+'''')","aaa","5","1","2","0","0","","",,
"7","3","__SQL('SELECT SATISFIYATI1 FROM *!FTBLBIRIMLEREX WHERE BARCODE='''+BARCODE+'''')","Fiyat","6","1","2","0","0","","",,
"22","5","Fiyat","Fiyat","7","2","1","1","0","","",,
"9","3","aaa<>0","kayıt","7","1","4","2","0","","",,
"33","3","Fiyat","Fiyat","9","1","2","5","0","","0",,
"19","11","aaa","","9","-1","1","0","0","''","",,
"20","11","Fiyat","","10","-1","1","0","0","''","",,
"34","3","IF AAA=0 THEN MESAJ('Stok Bulunamadı. SATIR:'+__SATIR)","","11","1","2","0","0","","",,

This is a default code of our bussines software configuration file. This code executes txt file like this

9789756716175   0
9789756716151   0
9789756716168   0
9789756716199   5
9789756716236   15
9789756716243   20
9789756716038   21
9789756716274   28
9789756716250   31
9789756716106   67
9789756716083   74
9789756716090   74
9789756716052   83
9789756716045   88
9789756716069   91
9789756716076   115

but first three line quantity should be zero however software write to bill as one. I want to make a change to solve that problem. If quantity is zero confiquration should do anything and pass the next line. Can you help me?