#include <bits/stdc++.h>
 
using namespace std;
 
// 5, '', "", % , / , /* */ , ? , ^
int main() {
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
    int n;
    cin >> n;
    vector<pair<int,int>>v(n);
    for(int i=0;i<n;i++){
        cin >> v[i].first >> v[i].second;
    }
    int minX = INT_MAX , minY = INT_MAX, maxY = INT_MIN , maxX = INT_MIN;
    for (int i = 0; i < n; i++) {
        minX = min(minX, v[i].first);
        minY = min(minY, v[i].second);
        maxX = max(maxX, v[i].first);
        maxY = max(maxY, v[i].second);
    }
    int num = max(maxX-minX,maxY-minY);
    int area = num*num;
    cout << area << "\n";
    return 0;
 
}

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NAoxMyAxNwoxNyAxMwoyMiAxNwoxNyAyMgoK

4
13 17
17 13
22 17
17 22