# include <fstream.h>
ifstream f("combinari.in");
ofstream g("combinari.out");

long int v[100],n,k,i,t,dim;

void afisare()

{ for (i=1;i<=dim;i++)
g<<v[i]<<" ";

g<<"\n";

}

void bk(int k)
     { if (k>dim) afisare ();
	else for(int i=v[k-1]+1;i<=n;i++)
	{v[k]=i;
	       bk(k+1);}
	       }

  int main(){
  f>>n>>dim;
  bk(1);
return 0;
}