1SyntaxError:33:Expected l-value but found + 2++ +3 3 ^ 4SyntaxError:33:Expected l-value but found - 5++ -7 6 ^ 7SyntaxError:33:Expected l-value but found + 8-- +2 9 ^ 10SyntaxError:33:Expected l-value but found - 11-- -8 12 ^ 13