import java.util.Random;


public class szesc {

    public static void main(String[] args) {

        int[][] tablica = new int[5][];

        tablica[0] = new int[3];
        tablica[1] = new int[2];
        tablica[2] = new int[1];
        tablica[3] = new int[0];

        Random losuj = new Random();
        tablica[4] = new int[losuj.nextInt(10)];

        for(int i = 0; i < tablica.length; i++){
            for(int j = 0; j < tablica[i].length; j++){

                tablica[i][j] = losuj.nextInt(10);
                System.out.print(tablica[i][j] + " ");
            }
            System.out.println();
        }

    }

}