#include<fstream>
# include <iostream>
using namespace std;

      int st[100],n, k, a[100], nr[100];
ifstream in("combinari.in");
ofstream out("combinari.out");
         void afisare (int p)
{ int i;
for(i=1;i<=p;i++)
    out<<st[i]<<" ";
     out<<"\n";}
 void back(int p)
 
 { int pval; 
 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;
 in>>n;
 in>>k;
 back(1);
 in.close();
 out.close();
 return 0;}