#include<bits/stdc++.h>
#define int long long
using namespace std;

int n,m;
int M[501],a[501][501],val[501],ans;

signed main(){
	ios::sync_with_stdio(false),cin.tie(0);

	cin>>n>>m;
	
	for (int i=1;i<=n;++i) for (int j=1;j<=m;++j) cin>>a[i][j],M[j]+=a[i][j];
	
	for (int i=1;i<=m;++i) ans-=M[i]*M[i];
	
	for (int i=1;i<=n;++i) for (int j=1;j<=m;++j) val[i]+=a[i][j]*M[j];
	
	sort(val+1,val+n+1);
	for (int i=n;i>=1;i-=2) ans+=2*val[i];
	
	cout<<ans<<'\n';
	
	return 0;
}// x^2 - (M - x)^2 = x^2 - (M^2 - 2Mx + x^2) = 2Mx - M^2