#include <iostream>
#include <fstream>

using namespace std;

int n, m, i, j, v[20][10],x;
int sneg, spoz;

int main () {
    
    ifstream fin("flip.in");
    ofstream fout("flip.out");
    
    fin >> n >> m;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= m; j++)
            fin >> v[i][j];
    
    for (j = 1; j <= m; j++)
    {
        sneg = 0;   spoz = 0;
        for (i = 1; i <= n; i++)
        {
            if (v[i][j] < 0)    sneg += v[i][j];
            if (v[i][j] > 0)    spoz += v[i][j];
        }
        
        if (sneg*(-1) > spoz)
            for (i = 1; i <= n; i++)
                v[i][j] *= -1;
    }
    
    for (i = 1; i <= n; i++)
    {
        sneg = 0;   spoz = 0;
        for (j = 1; j <= m; j++)
        {
            if (v[i][j] < 0)    sneg += v[i][j];
            if (v[i][j] > 0)    spoz += v[i][j];
        }
        
        if (sneg*(-1) > spoz)
            for (j = 1; j <= m; j++)
                v[i][j] *= -1;
    }
    
    sneg = 0;
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= m; j++)
        {   cout << v[i][j] << " ";   sneg += v[i][j];   }
        cout << "\n";
    }
    fout << sneg << "\n";
}
/*
 4 -2 2
 3 -1 5
 2 0 -3
 4 1 -3
 5 -3 2
*/