class Calc0052
  def initialize(args)
    args = args.map { |l| l.chomp.split(/\s+/) }
    @s = args.shift.first
  end

  def run
    return 1 if @s.size == 1
    ops = [[:shift, :pop]] * @s.size
    ops.first.product(*ops[1..-1]).map { |op|
      s = @s.split(//)
      op.inject('') { |t, o| t + s.send(o) }
    }.uniq.size
  end
end

puts Calc0052.new(STDIN.readlines).run if __FILE__ == $0