{-(Program (Plus (Identifier) (Identifier)) (Minus (Identifier) (Identifier)) (Times (Identifier) (Identifier)) (DividedBy (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)))-}