#expect 5
#expect 5
#expect 5
#expect 4

#ship debug : Debug

debug.in:
  set word=5;
  set flags a=0, b=0;
  set olc=3;
  [Rq] [olc=0] set word=4;
  [Rq] [olc=0] deliver;
  [Rq] deliver;
  [Rq] set olc--;
  tail;