N = gets.to_i
COORDINATES = (1..N).map { gets.split.map(&:to_i) }
XS, YS = COORDINATES.transpose
X_AVE = XS.sum / XS.size
Y_AVE = YS.sum / YS.size
puts XS.map { |x| (x - X_AVE).abs }.sum + YS.map { |y| (y - Y_AVE).abs }.sum