Bijective base 10 add by letranger

#!ruby -na
$_="#{eval$F.map{|s|n=0
s.chars{|c|n=n*10+c.hex}
n}*?+}"
0while$_.sub!(/(.+)0/){"#{$1.to_i-1}A"}
~/0?/
puts$'

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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