class Calc0112
  def initialize(args)
    args = args.map { |l| l.chomp.split(/\s+/) }
    @n = args.shift.first.to_i
    @as = args.shift.map(&:to_i)
  end

  def calc
    t = @as.inject(:+) / (@n - 1)
    [(4 * @n - t) / 2, (t - 2 * @n) / 2]
  end

  def run
    calc.join(' ')
  end
end

puts Calc0112.new(STDIN.readlines).run if __FILE__ == $0