{-(Program
  (Switch
    (NumberLiteral)
    (Case
      (NumberLiteral)
      (ExpressionStatements
        (NumberLiteral)))
    (Case
      (NumberLiteral)
      (ExpressionStatements
        (NumberLiteral)))
    (Case
      (NumberLiteral)
      (ExpressionStatements
        (NumberLiteral)))))-}