(Program
{+(Plus
    (Identifier)
    (Identifier))+}
{+(Minus
    (Identifier)
    (Identifier))+}
{+(Times
    (Identifier)
    (Identifier))+}
{+(DividedBy
    (Identifier)
    (Identifier))+}
{-(RShift
    (Identifier)
    (Identifier))-}
{-(LShift
    (Identifier)
    (Identifier))-}
{-(BXOr
    (Identifier)
    (Identifier))-}
{-(BAnd
    (Identifier)
    (Identifier))-}
  (Modulo
    (Identifier)
    (Identifier))
{+(DividedBy
    (Identifier)
    (Identifier))+}
{+(Power
    (Identifier)
    (Identifier))+}
{+(BOr
    (Identifier)
    (Identifier))+}
{+(BAnd
    (Identifier)
    (Identifier))+}
{+(BXOr
    (Identifier)
    (Identifier))+}
{+(LShift
    (Identifier)
    (Identifier))+}
{+(RShift
    (Identifier)
    (Identifier))+}
{-(Power
    (Identifier)
    (Identifier))-}
{-(DividedBy
    (Identifier)
    (Identifier))-}
{-(Modulo
    (Identifier)
    (Identifier))-}
{-(DividedBy
    (Identifier)
    (Identifier))-}
{-(Times
    (Identifier)
    (Identifier))-}
{-(Minus
    (Identifier)
    (Identifier))-}
{-(Plus
    (Identifier)
    (Identifier))-})