Update: See Re: Sainthood via Seniority Simulation for a new version for the expanded level system.

#!/usr/bin/perl
use warnings;
use strict;
use Lingua::EN::Inflect 'A';

my ($day, $level, $xp);

$level = {xp => 0, votes => 0, title => "initiate", next =>
         {xp => 20, votes => 5, title => "novice", next =>
         {xp => 50, votes => 8, title => "acolyte", next =>
         {xp => 100, votes => 12, title => "scribe", next =>
         {xp => 200, votes => 16, title => "monk", next =>
         {xp => 500, votes => 20, title => "friar", next =>
         {xp => 1000, votes => 25, title => "abbot", next =>
         {xp => 1600, votes => 30, title => "bishop", next =>
         {xp => 2300, votes => 35, title => "pontiff", next =>
         {xp => 3000, votes => 40, title => "saint"}}}}}}}}}};

$| = 1;
print "Enter your current xp: ";
chomp($xp = <STDIN>);

die "Doesn't look quite like an xp to me\n"
   if $xp ne do { no warnings 'numeric'; 0+$xp };

$day = 0;
while ($level->{next}) {
    # bonus for casting all votes (through level 5)
    $xp += int($level->{votes}/6) if $day > 0 && $level->{votes} < 16;
+ # (update:corrected from <= 16)

    ($level = $level->{next}) and
       print("Day $day: you are ", A($level->{title}), "\n")
          while $level->{next} && $xp >= $level->{next}{xp};
    ++$day;

    # 25% chance for each vote cast
    (rand(4) < 1) and ++$xp for 1..$level->{votes};

    # 25% chance for 2 xp for logging in
    (rand(4) < 1) and $xp += 2;
}
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