--     . ;   iw" 
---    t ee  srH 
 --- use nn   ie 
  ---stx.td  btl 
   --edtai; oeel 
  use--ilta fg(o 
  std--olyr  io, 
.textio-- c anu  
   .all--ah --tw 
;entity a is--po 
 end;architecture
         se-- tln
    of a--c-  ,dd
is begin--t   -! 
write(output,--" 
"Hello, world!");
          end  ;