(Program
{ (BAnd
  {-(Identifier)-}
  {-(Identifier)-})
->(BOr
  {+(Identifier)+}
  {+(Identifier)+}) }
{ (LShift
  {-(Identifier)-}
  {-(Identifier)-})
->(RShift
  {+(Identifier)+}
  {+(Identifier)+}) }
{+(BXOr
  {+(Identifier)+}
  {+(Identifier)+})+})