#include <fstream>

using namespace std;

ifstream in("combinari.in");
ofstream out("combinari.out");

long n,k,x[20];

int back()
{
  long i=1,j;
  x[1]=0;
  do
  { 
   while (x[i]<n)
   {
     ++x[i];
     if (i==k)
     {
      for (j=1;j<=k;++j) out << x[j] << " ";
      out << "\n";
     } else {
      ++i;
      x[i]=x[i-1];
     }  
   }
  --i;
  }
  while (i!=0);

  return 0;
}

int main()
{
  in >> n >> k;
  
  back();

  return 0;
}