#include <iostream>
#include <fstream>

using namespace std;

int n, h;
int sol[201];

void explore(int k) {
  if (k == h) {
    for (int i = 0; i < h; i++) {
      cout << sol[i] << " ";
    }
    cout << endl;
  } else { // n-k+h
    for (int i = sol[k - 1] + 1; i <= n - h + k + 1; i++) {
      sol[k] = i;
      explore(k + 1);
    }
  }
}

int main() {
  freopen("combinari.in", "rt", stdin);
  freopen("combinari.out", "wt", stdout);
  cin >> n >> h;
  for (int i = 1; i <= n - h + 1; i++) {
    sol[0] = i;
    explore(1);
  }
  return 0;
}