#include <iostream>
#include <fstream>
using namespace std;
int l[100],c[100],s;
int main()
{
    ifstream fin ("flip.in");
    ofstream fout ("flip.out");
    int n,m,i,j,mi,mj,a[100][100],ml=65000,mc=65000;
    fin>>m>>n;
    for (i=0;i<m;i++)
    {

            for (j=0;j<n;j++)
            {
                fin>>a[i][j];
                l[i]+=a[i][j];
                c[j]+=a[i][j];
            }
            s+=l[i];
            if (l[i]<ml)
            {
                ml=l[i];
                mi=i;
            }
    }

    for (j=0;j<n;j++)
        if (c[j]<mc)
            {
                mc=c[j];
                mj=j;
            }
    s=s-2*ml-2*mc+4*a[mi][mj];
    fout<<s;
    return 0;
}