1whatis simple 2whatis $$simple 3whatis First 4whatis Second 5whatis $$first 6whatis $$second 7stop in UseRecurStructs 8run 9step 10step 11step 12step 13step 14print b 15print b.p 16print *(b.p) 17print b.p.b 18print b.p.c 19stop in f 20cont 21where 22step 23step 24step 25step 26step 27step 28print y 29print *y 30