#include <stdio.h>

int st[18],n,k;
FILE *f,*g;

void comb(int p)
{
  int i,j;
  for (i=st[p-1]+1; i<=n; i++)
    {
      st[p]=i;
      if (p==k)
	{
	  for (j=1; j<=k; j++) fprintf(g,"%d ",st[j]);
	  fprintf(g,"\n");
	}
      else comb(p+1);
    }
}

int main()
{
  f=fopen("combinari.in","r");
  g=fopen("combinari.out","w");

  fscanf(f,"%d %d",&n,&k);
  st[0]=0;
  comb(1);

  return 0;
}