begin comment lib 1; integer array a[1 : 9]; integer i, s; procedure dummy(a); value a; array a; sum(a); procedure sum(a); array a; for i := 1 step 1 until 9 do begin s := s + a[i]; a[i] := 0 end; s := 0; for i := 1 step 1 until 9 do a[i] := i; dummy(a); outreal(1,s); for i := 1 step 1 until 9 do if a[i] != i then outreal(1,i) end