import java.util.Scanner;
public class RecursiveNestedLoops {
    public static int numberOfLoops;
    public static int numberOfIterations;
    public static int[] loops;

public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    System.out.print("N = ");
    numberOfLoops = input.nextInt();
    System.out.print("K = ");
    numberOfIterations = input.nextInt();
    input.close();
    loops = new int[numberOfLoops];
    nestedLoops(0);
}

public static void nestedLoops(int currentLoop) {
    if (currentLoop == numberOfLoops) {
        printLoops();
        return;
}

    for (int counter=1;counter<=numberOfIterations;counter++) {
        loops[currentLoop] = counter;
        nestedLoops(currentLoop + 1);
    }
}

public static void printLoops() {
    for (int i = 0; i < numberOfLoops; i++) {
        System.out.printf("%d ", loops[i]);
}
    System.out.println();
}

printLoops();
        return;