#include<bits/stdc++.h>
using namespace std;
int x[1000],y[1000];
int n,ans;
int main(){
	scanf("%d",&n);
	for (int i=1;i<=n;i++) scanf("%d%d",&x[i],&y[i]);
	sort(x+1,x+n+1);
	sort(y+1,y+n+1);
	int xs=x[(n+1)/2];
	int ys=y[(n+1)/2];
	for (int i=1;i<=n;i++) ans+=abs(xs-x[i])+abs(ys-y[i]);
	printf("%d\n",ans);
}