/in/foo.cs(3,0): error CS1024: Wrong preprocessor directive
/in/foo.cs(4,0): error CS1024: Wrong preprocessor directive
/in/foo.cs(4,6): error CS1525: Unexpected symbol `namespace', expecting `identifier' or `static'
/in/foo.cs(4,19): error CS1525: Unexpected symbol `;', expecting `identifier' or `static'
/in/foo.cs(7,0): error CS1525: Unexpected symbol `int', expecting `identifier' or `static'
/in/foo.cs(13,0): error CS1525: Unexpected symbol `sum', expecting `identifier' or `static'
/in/foo.cs(15,1): error CS1514: Unexpected symbol `}', expecting `.' or `{'
Compilation failed: 7 error(s), 0 warnings