#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define repr(i, n) for (int i = (n) - 1; i >= 0; i--)
#define range(a) a.begin(), a.end()

int main() {
    int N, M; cin >> N >> M;
    vector<vector<ll>> A(N, vector<ll>(M));
    vector<ll> C(M);
    rep(i, N) rep(j, M) cin >> A[i][j], C[j] += A[i][j];
    vector<ll> gain(N);
    rep(i, N) rep(j, M) gain[i] += C[j] * A[i][j];
    vector<int> ord(N); rep(i, N) ord[i] = i;
    sort(range(ord), [&](int i, int j) { return gain[i] > gain[j]; });
    ll ans = 0;
    int t = 1;
    for (int i : ord) {
        ans += t * gain[i];
        t *= -1;
    }
    cout << ans << endl;
}