/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/die-staending-wiederholenden-eigenen-uebunge-im-ws23.24/rtl0023.txt

   0: c  <-  a  -  c 
   1: IF  b  <=  7  THEN 
   2:   IF  a  ==  d  THEN 
   3:     b  <-  a 
   4:     a  <-  b 
          GOTO 7
        ELSE 
          GOTO 2
        FI 
                 
      ELSE 
   5:   a  <-  d 
   6:   IF  d  <=  b  THEN 
          GOTO 5
                   
        ELSE 
   7:     c  <-  b 
   8:     d  <-  c 
   9:     d  <-  b 
          GOTO 0
                   
        FI 
                 
      FI