class Calc0098
  def initialize(args)
    args = args.map { |l| l.chomp.split(/\s+/) }
    @xp, @yp = args.shift.map(&:to_i)
  end

  def run
    d2 = (2 * @xp) ** 2 + (2 * @yp) ** 2
    r = Math.sqrt(d2).ceil
    if r * r == d2
      r + 1
    else
      r
    end
  end
end

puts Calc0098.new(STDIN.readlines).run if __FILE__ == $0