sundar@606: SyntaxError:33:Expected l-value but found +
sundar@394: ++ +3
sundar@394:    ^
sundar@606: SyntaxError:33:Expected l-value but found -
sundar@394: ++ -7
sundar@394:    ^
sundar@606: SyntaxError:33:Expected l-value but found +
sundar@394: -- +2
sundar@394:    ^
sundar@606: SyntaxError:33:Expected l-value but found -
sundar@394: -- -8
sundar@394:    ^