#include<fstream.h>
ifstream f("combinari.in");ofstream g("combinari.out");
int k,a[51],i,x,y;
int main()
{f>>x>>y;
  k=1;a[k]=0;
  do{while(a[k]<x-y+k)
	  {a[k]++;
       if(k==y)
		   {for(i=1;i<=y;i++)g<<a[i]<<" ";
			g<<"\n";
			}
	      else{k++;a[k]=a[k-1];}
	  }
  k--;
  }while(k);
  g.close();
  return 0;
}