I can compile the code (links on the end).

When I run it, if I try using `stdin` the program crashes with this message: 

<stdin>: hGetLine: invalid argument (Bad file descriptor)

Is it something to do with SDL itself?

What am I doing wrong? :(

Code: http://hpaste.org/81321

Cabal file: http://hpaste.org/81322

Thanks.