#include<fstream>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int v[20], n, k;

void comb(int p)
{
  for(int i = v[p-1] + 1; i <= n; i ++){
        v[p] = i;
        if(p == k){
            for(int i = 1; i <= p; i ++)
                out << v[i] << " " ;
            out << endl;
        }
        else
            comb(p + 1);
    }

}

int main(){

   in >> n;
   in >> k;
   comb(1);
   return 0;
	}