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