Simple programs are always helpful to get good step to learn a new language. See below how easy this is to write RPGLE ( am learning from basic ) rather than jumping to big things
INZ keyword is used to initialize the 'surname' and 'forename'. But before concatenating the variables using 'CAT' the valued changed using EVAL opcode.
Addition can be done using 'ADD'.
Arithmetic operations:
http://publib.boulder.ibm.com/infocenter/iadthelp/v7r0/index.jsp?topic=/com.ibm.etools.iseries.langref.doc/evferlsh354.htm
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