#include <fstream>
#include <iostream>
#include <cmath>
#define N 105
using namespace std;
ifstream fin("interschimbarelinii.in");
ofstream fout("interschimbarelinii.out");
///193
int a[N][N],n,m;

int main()
{
  int vmin=10005, vmax=-1;
  int pmin, pmax;
  fin>>n>>m;
  for(int i=1; i<=n; ++i)
    for(int j=1; j<=m; ++j)
      {
          fin>>a[i][j];
          if(vmin>a[i][j]) vmin=a[i][j],pmin=i;
          if(vmax<a[i][j]) vmax=a[i][j],pmax=i;
      }
  ///interschim linia pmin cu pmax
  for(int j=1;j<=m;j++)
    swap(a[pmin][j], a[pmax][j]);


  ///afisare matrice
  for(int i=1;i<=n; ++i, fout<<"\n")
    for(int j=1;j<=m;++j)
       fout<<a[i][j]<<" ";
  return 0;
}