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#include <iostream>
#include<fstream>
using namespace std;
int n,m,i,j,mn=999,mn1=999,p1,p2,a[20][20],s;
int main()
{
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];
s=s+a[i][j];
}
if(s<mn){mn=s;p1=i;}
s=0;
}
for(i=1;i<=m;i++)
{for(j=1;j<=n;j++)s=s+a[j][i];
if(s<mn1){mn1=s;p2=i;}
s=0;}
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)if((i==p1)||(j==p2)) s=s-a[i][j];
else s=s+a[i][j];
g<<s-a[p1][p2];
return 0;
}