***
* memory layout : BWAIT
* B: character code for B and F
* W: work ( save Sx10 )
* A: accumlated value
* I: input
* T: temporary
***
** make B(66) **
W++++++[-<B+++++++++++>W]
** input loop
>>I,+[
** convert **
>T+++++++[-<I------->T]
** x10 **
<<A[-<W++++++++++>A]
** move back **
<W[->A+<W]
>>I[-<A+>I]
I,+]
** output loop **
<A[-<<B.++++.---->>A]
KioqCiogbWVtb3J5IGxheW91dCA6IEJXQUlUCiogIEI6IGNoYXJhY3RlciBjb2RlIGZvciBCIGFuZCBGCiogIFc6IHdvcmsgKCBzYXZlIFN4MTAgKQoqICBBOiBhY2N1bWxhdGVkIHZhbHVlCiogIEk6IGlucHV0CiogIFQ6IHRlbXBvcmFyeQoqKioKKiogbWFrZSBCKDY2KSAqKgpXKysrKysrWy08QisrKysrKysrKysrPlddCioqIGlucHV0IGxvb3AKPj5JLCtbCiAgKiogY29udmVydCAqKgogID5UKysrKysrK1stPEktLS0tLS0tPlRdCiAgKiogeDEwICoqCiAgPDxBWy08VysrKysrKysrKys+QV0KICAqKiBtb3ZlIGJhY2sgKioKICA8V1stPkErPFddCiAgPj5JWy08QSs+SV0KSSwrXQoqKiBvdXRwdXQgbG9vcCAqKgo8QVstPDxCLisrKysuLS0tLT4+QV0K