#!/usr/bin/perl
use strict;

# Takes directories on stdin and puts a list on stdout where any directory
# that has another directory as it's stem is removed
# so if you have /a/b and /a/b/c then /a/b/c is removed

my @arr;

while(<STDIN>)
{
  chomp;
  push(@arr, $_);
}
my @sorted = sort { length($a) <=> length($b) } @arr;

for(my $i = 0; $i < $#sorted; $i++)
{
  print "$sorted[$i]\n";
  for(my $j = $i + 1; $j <= $#sorted; $j++)
  {
    if($sorted[$i] . "/" eq substr($sorted[$j], 0, length($sorted[$i])+1))
    {
      splice(@sorted, $j, 1);
      $j--;
    }
  }
}
print "$sorted[$#sorted]\n";