# frozen_string_literal: true

def solve
  L.permutation.map(&:wrap_length).min
end

class Array # rubocop:todo Style/Documentation
  def wrap_length
    2 * combination(2).map(&:sum).zip(C).map { |a, b| a * b }.sum
  end
end

L, C = 2.times.map { gets.chomp.split.map(&:to_i) }

puts solve