#define _USE_MATH_DEFINES #include using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() using ll = long long; const int INF = 0x3f3f3f3f; const ll LINF = 0x3f3f3f3f3f3f3f3fLL; const double EPS = 1e-8; const int MOD = 1000000007; // const int MOD = 998244353; const int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1}; const int dy8[] = {1, 1, 0, -1, -1, -1, 0, 1}, dx8[] = {0, -1, -1, -1, 0, 1, 1, 1}; template inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; } template inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(20); } } iosetup; int main() { int n, m; cin >> n >> m; vector> a(n, vector(m)); REP(i, n) REP(j, m) cin >> a[i][j]; vector cnt(m, 0); REP(i, n) REP(j, m) cnt[j] += a[i][j]; ll ans = 0; REP(i, m) ans -= cnt[i] * cnt[i]; vector val(n); REP(i, n) REP(j, m) val[i] += 2 * cnt[j] * a[i][j]; sort(ALL(val), greater()); for (int i = 0; i < n; i += 2) ans += val[i]; cout << ans << '\n'; return 0; }