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#include <iostream>
#include "fstream"
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
int main() {
float a[16][16],s=0;
int i,j,n,m;
ifstream f("flip.in");
ofstream g("flip.out");
f>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
f>>a[i][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
s=s+a[i][j];
if(s<0)
for(j=1;j<=m;j++)
a[i][j]=a[i][j]*(-1);
s=0;}
s=0;
for(j=1;j<=m;j++)
{
for(i=1;i<=n;i++)
s=s+a[i][j];
if(s<0)
for(i=1;i<=n;i++)
a[i][j]=a[i][j]*(-1);
s=0;}
s=0;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
s=s+a[i][j];
cout<<s<<' ';}
g<<s;
f.close();
g.close();
return 0;
}