module RailsI18n::Pluralization::Polish

def self.rule
  lambda do |n|
    return :other unless n.is_a?(Numeric)
    mod10 = n % 10
    mod100 = n % 100
    if n == 1
      :one
    elsif [2, 3, 4].include?(mod10) && ![12, 13, 14].include?(mod100)
      :few
    elsif [0, 1, 5, 6, 7, 8, 9].include?(mod10) || [12, 13, 14].include?(mod100)
      :many
    else
      :other
    end
  end
end