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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("flip.in");
ofstream out("ofstream.out");
long int n,m,i,j,s1=0,s2=0, a[100][100];
int main(){
in>>n>>m;
for(i=0;i<n;i++){
for(j=0;j<m;j++)
in>>a[i][j];
}
for(i=0;i<n;i++){
for(j=0;j<m;j++)
s1+=a[i][j];
if(s1<0)
for(j=0;j<m;j++)
a[i][j]*=-1;
s1=0;
}
for(i=0;i<m;i++){
for(j=0;j<n;j++){
cout<<a[j][i]<<endl;
s1+=a[j][i];
}
cout<<"suma="<<s1<<endl;
if(s1<0)
for(j=0;j<n;j++)
a[j][i]*=-1;
s1=0;
}
for(i=0;i<n;i++)
for(j=0;j<m;j++){
s2+=a[i][j];
}
cout<<"s2="<<s2;
out<<s2;
}