C:\>MLnch3.pl -l diebelr -s dynprod,aimprod
 XX 0 YY 0

Use of uninitialized value $LGN in concatenation (.) or string at C:\strawberry\
c\bin\MLnch3.pl line 43, <DATA> line 101.

Use of uninitialized value $LGN in concatenation (.) or string at C:\strawberry\
c\bin\MLnch3.pl line 47, <DATA> line 101.