//SUMREC01 JOB SUMREC0J
//SUMEXEC EXEC PGM=SORT
//SORTIN DD *
CA-02963
CA 06288
CA 07351
CA 05027
CA 05200
//SORTOUT DD SYSOUT=*
//SYSOUT DD SYSOUT=*
//SYSIN DD *
 SORT FIELDS=(1,2,CH,A)
 SUM FIELDS=(3,6,ZD)
/*
When I submit the above job I got "CA026829" Which is the wrong answer.What I have to do for the JCL to consider the minus sign as well and get answer "CA023866"