N = gets.to_i
X = []
Y = []

N.times do
  x, y = gets.split.map(&:to_i)
  X << x
  Y << y
end

cx = X.sort[N / 2]
cy = Y.sort[N / 2]

ans = X.map { |x| (x - cx).abs }.sum + Y.map { |y| (y - cy).abs }.sum

puts ans