begin
  integer sheila, sheila2
  integername bert, bert2
  
  integermap fred
    result == sheila2
  end
  
  integermap fred2(integer i)
    result == bert
  end

  bert == sheila
  bert == fred
  bert == fred2(55)
  bert == bert
  bert = 42

  sheila = 21
  sheila = bert
  sheila = fred
  sheila = fred2(44)

  fred = 63
  fred2(88) = 63
  
  if sheila2 = sheila then stop
  if fred = sheila then stop
  if fred2(99) = sheila then stop
  if bert = sheila then stop
  if fred == bert then stop
  if fred2(11) == bert then stop
  if bert == bert2 then stop

endofprogram