#! /usr/bin/env raku

unit sub MAIN (Int $a is copy, $b is copy, :$verbose);

($a, $b) = ($b, $a) if $b > $a;

my $a2 = $a.base(2);
  
my $length = $a2.chars;

my $b2 = $b.fmt('%0' ~ $length ~ 'b');

my $c2 = ($a +^ $b).fmt('%0' ~ $length ~ 'b');

if $verbose
{
  say ": $a2 ($a)";
  say ": $b2 ($b)";
  say ": $c2 -> ", $c2.comb.sum;
}

say $c2.comb.sum;