golfscript, 27 bytes

Result

WA

Duration

1126ms

Code [DL]

00000000  57 0e 40 07 2a ca 32 c8  42 26 26 0d 32 c9 50 0a  |W.@.*.2.B&&.2.P.|
00000010  43 12 31 08 d2 d1 d2 0a  09 32 d0                 |C.1......2.|
0000001b

stdin

41
82

stdout

stderr

/root/golfscript.rb:405:in `scan': invalid byte sequence in UTF-8 (ArgumentError)
	from /root/golfscript.rb:405:in `compile'
	from /root/golfscript.rb:498:in `<main>'