#include <iostream>
#include<fstream>
using namespace std;

ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n, subm[25], counter = 0, v[25], p = 1, f;

void gen(int element, int lgSubm) {
  if (element == n + 1) {
    for (int i = 1; i < lgSubm; ++i) {
            counter++;
   // cout << "counter = " << counter << endl;
    //cout << subm[i] << " ";
    v[p] = subm[i];
    p++;
    }
    if(counter == f) {
        for(int i = 1; i < lgSubm; ++i) {
            fout << v[i] << " ";
        }
        fout << "\n";
    }
    p = 1;
    counter = 0;
    return;
  }
  subm[lgSubm] = element;
  gen(element + 1, lgSubm + 1);
  gen(element + 1, lgSubm);
}

int main()
{
    int l = 1, k = 1;
    fin >> n >> f;
    gen(l, k);
    return 0;
}