{-(Program
  (ExpressionStatements
    (MathOperator
      (MathOperator
        (Identifier)
        (Other "+")
        (MathOperator
          (Identifier)
          (Other "*")
          (NumberLiteral)))
      (Other "-")
      (MathOperator
        (Identifier)
        (Other "%")
        (NumberLiteral)))))-}