Error(s):

(2:2) Preprocessor directive expected
(2:9) Single-line comment or end-of-line expected
(3:3) Preprocessor directive expected
(3:8) Single-line comment or end-of-line expected
(5:2) Preprocessor directive expected
(5:3) Single-line comment or end-of-line expected
(9:3) Preprocessor directive expected
(9:8) Single-line comment or end-of-line expected
(12:3) Preprocessor directive expected
(12:8) Single-line comment or end-of-line expected
(15:3) Preprocessor directive expected
(15:12) Single-line comment or end-of-line expected
(16:3) Preprocessor directive expected
(16:6) Single-line comment or end-of-line expected
(18:2) Preprocessor directive expected
(18:4) Single-line comment or end-of-line expected
(31:2) Preprocessor directive expected
(31:4) Single-line comment or end-of-line expected
(1:1) A namespace cannot directly contain members such as fields or methods