/in/foo.cs(2,0): error CS1024: Wrong preprocessor directive
/in/foo.cs(2,6): error CS1525: Unexpected symbol `namespace', expecting `identifier' or `static'
/in/foo.cs(2,19): error CS1525: Unexpected symbol `;', expecting `identifier' or `static'
/in/foo.cs(3,6): error CS1514: Unexpected symbol `struct', expecting `.' or `{'
/in/foo.cs(6,1): error CS1525: Unexpected symbol `yuan'
Compilation failed: 5 error(s), 0 warnings