#include<fstream>
using namespace std;
int st[100],n, k, a[100], nr[100];
ifstream cin("combinari.in");
ofstream cout("combinari.out");
void afisare (int p)
  { int i;
     for(i=1;i<=p;i++)
        cout<<st[i]<<" ";
        cout<<"\n";}
void back(int p)
{ int pval; //valorile pentru nivelul p;
  for(pval=st[p-1]+1;pval<=n;pval++)
    {st[p]=pval;
        if(p==k) 
        afisare(p);
        else
         back(p+1);}}
int main()
{    int i;
     cin>>n;
     cin>>k;
     back(1);
     cin.close();
     cout.close();
     return 0;}