using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
using System.Globalization;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    static int[] NMi => ReadLine().Split().Select(c => int.Parse(c) - 1).ToArray();
    static int[][] NMap(int n) => Enumerable.Repeat(0, n).Select(_ => NMi).ToArray();
    static string[] SList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => ReadLine()).ToArray();
    static long[] LList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => long.Parse(ReadLine())).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var (n, m) = (c[0], c[1]);
        var boxes = new List<(int[] a, int sum)>();
        for (var i = 0; i < n; ++i)
        {
            var ai = NList;
            var sum = ai.Sum();
            boxes.Add((ai, sum));
        }
        boxes.Sort((l, r) => r.sum.CompareTo(l.sum));

        var you = new long[m];
        var enj = new long[m];
        for (var i = 0; i * 2 < n; ++i)
        {
            for (var j = 0; j < m; ++j)
            {
                you[j] += boxes[i * 2].a[j];
                enj[j] += boxes[i * 2 + 1].a[j];
            }
        }
        var ans = 0L;
        for (var i = 0; i < m; ++i) ans += you[i] * you[i] - enj[i] * enj[i];
        WriteLine(ans);
    }
}