#include <iostream>
#include <fstream>
using namespace std;
int v[105][105];
ifstream f("mincols.in");
ofstream g("mincols.out");
int main()
{ int i,j,n, MIN;
 f>>n;

 for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
             f>>v[i][j];




  for(j=1;j<=n;j++)
 {
           MIN=v[i][j];

      for(i=1;i<n;i++)
           if(MIN>=v[i][j])
                MIN=v[i][j];

                        g<<MIN<<" ";

 }
    return 0;
}