package p1;
import java.io.*;
public class Matrica {
    public static void main(String[] args) throws IOException {
      BufferedReader ds = new BufferedReader(new InputStreamReader(System.in));
      System.out.println("Iveskite n");
      int n = Integer.parseInt(ds.readLine());
      System.out.println("Iveskite m");
      int m = Integer.parseInt(ds.readLine());
      double a[][] = new double[n][m];
      Metodai veiksmai = new Metodai();
      veiksmai.skaitoIrasa(ds, a, n, m);
      veiksmai.spausdinti(a, n, m);
      System.out.println();
      veiksmai.rastiMaxIrSukeisti(a, n, m);
      veiksmai.spausdinti(a, n, m);
    }
}


class Metodai
{
    void skaitoIrasa(BufferedReader ds, double a[][], int m, int n) throws
        IOException {
      for (int i = 0; i < n; i++) {
        System.out.println("Iveskite eilutes " + i + " elementus");
        for (int j = 0; j < m; j++)
          a[i][j] = Double.parseDouble(ds.readLine());
      }
    }
  
    void spausdinti(double a[][], int n, int m)
    {
      for (int i = 0; i < n; i++) 
        {
          for (int j = 0; j < m; j++)
            System.out.print(a[i][j] + "  ");
          System.out.println();
        }
      }


      void rastiMaxIrSukeisti(double a[][], double n, double m) {
    
        int ind;
        for (int j = 0; j < m; j++) {
          double max = a[0][j];
          ind = 0;
          for (int i = 0; i < n; i++)
            if (max < a[i][j]) {
              max = a[i][j];
              ind = i;
            }
          a[ind][j] = a[0][j];
          a[0][j] = max;
          }
      }
}