def max(a,b); a > b ? a : b; end

X, Y = gets.split.map(&:to_i)
R = Integer.sqrt(Y)
C = Hash.new(0)
fmax = 0

(1 .. R).each do |x|
  x2 = x ** 2
  
  ymin = Integer.sqrt(max(0, X - x2))
  ymax = Integer.sqrt(Y - x2) + 1
  
  (ymin ... ymax).each do |y|
    r2 = x2 + y ** 2
    unless r2 < X || r2 > Y
      C[r2] += 1 
      fmax = max(fmax, C[r2])
    end
  end
end
puts fmax * 4