#include<bits/stdc++.h>
using namespace std;
int main()
{
	int N; cin >> N;
	vector<int> A(N), B(N);
	for(int i=0; i<N; ++i) cin >> A[i] >> B[i];
	sort(A.begin(), A.end());
	sort(B.begin(), B.end());
	int x = A[A.size()/2], y = B[B.size()/2];
	int ans = 0;
	for(int i=0; i<N; ++i) ans += abs(A[i]-x) + abs(B[i]-y);
	cout<<ans<<endl;
}