#include <stdio.h> #include <atcoder/all> #include <bits/stdc++.h> using namespace std; using namespace atcoder; using mint = modint998244353; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf32 1000000001 #define Inf64 4000000000000000001 int main(){ int n; cin>>n; vector<int> x(n),y(n); rep(i,n)cin>>x[i]>>y[i]; sort(x.begin(),x.end()); sort(y.begin(),y.end()); int ans = 0; rep(i,n){ ans += abs(x[i] - x[n/2]); ans += abs(y[i] - y[n/2]); } cout<<ans<<endl; return 0; }