#include<fstream>
#include<iostream>

using namespace std;

int n,i,j,c,l,s1=0,s2=0,a[10][10];
ifstream f("mp.in");

int main()
{ 
    f>>n;
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
        f>>a[i][j];
        
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
         { s1=0;
           for(c=1;c<=n;c++) s1=s1+a[i][c];// suma pe linia i
           s2=0;
           for(l=1;l<=n;l++) s2=s2+a[l][j];// suma pe coloana j
           if(s1==s2) cout<<a[i][j]<<" ";
         }
    system("pause");
    return 0;      
}