n=gets.to_i
xs=[]
ys=[]
n.times{|i|
	x,y=gets.split(" ").map{|e| e.to_i}
	xs<<x
	ys<<y
}
ansx=10**18
ansy=10**18
1.upto(300){|i|
	sum=0
	xs.each{|x|
		sum+=(x-i).abs
	}
	ansx=[ansx,sum].min
}
1.upto(300){|i|
	sum=0
	ys.each{|y|
		sum+=(y-i).abs
	}
	ansy=[ansy,sum].min
}
puts ansx+ansy