Description: https://www.codewars.com/kata/5a74a62e17040b8a2d0000cb/bf

>+++++[-<+++++++++>] # Put 45 on cell0

,                    # Read first char on cell1


<[>-<-]                  # cell1 = cell1 minus 45


>

[
   < +++++++++++++++++++++++++++++++++++++++++++++ # Put 45 on cell0
   
   [>+<-]                                          # Cell1 = cell1 plust 45
   >.<                                               # Print cell1
]

,             # Read char on cell0

[.,]
