#include <iostream>
#include <fstream>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int N, subm[25], K;
void gen(int element, int lgSubm) {
  if (element == N + 1) {
    if(lgSubm == K) {
        for (int i = 0; i < lgSubm; ++i)
      g<<subm[i]<<' ';
    g<<"\n";
    }
    return;
  }
  subm[lgSubm] = element;
  gen(element + 1, lgSubm + 1);
  gen(element + 1, lgSubm);
}
int main()
{
    f >> N >> K;
    int element = 1;
    int  lgSubm = 0;
    gen(element, lgSubm);
    return 0;
}