#include <iostream>
#include <fstream>

std::ifstream fin("flip.in");
std::ofstream fout("flip.out");

int v[20][20], n_v[20][20], suma;

int main(){
	int n,m;
	fin>>n>>m;
	for(int i=0; i<n; i++)
		for(int j=0; j<m; j++)
			fin>>v[i][j], n_v[i][j]=v[i][j]*-1;
	for(int i=0; i<n; i++)
		for(int j=0; j<m; j++)
			v[i][m+1]+=v[i][j], v[n+1][j]+=v[i][j], n_v[i][m+1]+=n_v[i][j], n_v[n+1][j]+=n_v[i][j];
	for(int i=0; i<n; i++){
		for(int j=0; j<m; j++){
			if(v[i][m+1]<n_v[i][m+1])
				v[i][j]=n_v[i][j];
			if(v[n+1][j]<n_v[n+1][j])
				v[i][j]=n_v[i][j];
			suma+=v[i][j];
		}
	}
	fout<<suma;
}