#include <fstream>
using namespace std;
int n,p,v[20] ;
int solutie(int k);
void afisare(int k);
void BK(int k);
ifstream in("combinari.in");
ofstream out("combinari.out");
int main()
{in>>n;
in>>p;
BK(1);
} void BK(int k) {int i;  for (i=v[k-1]+1;i<=n;i++)

  {v[k]=i;
   if (solutie(k))
        afisare(k);
   else       BK(k+1);
   }
   }
    int solutie(int k)
    {if (k==p)
    return 1;
    return 0;}
    void afisare(int k)
    {int i;  for (i=1;i<=k;i++)  out<<v[i]<<" ";   out<<endl;}