#include <stdio.h>
int st[25], n, m;
int valid(int k)
{
 for(register int i = 1; i < k; i++)
  if(st[i] >= st[k])
  return 0;

 return 1;
}
void print(void)
{
 for(register int i = 1; i <= m; i++)
  printf("%d ",st[i]);
  printf("\n");
}
void back(int k)
{
 for(register int i = st[k-1] + 1; i <= n; i++)
 {
  st[k] = i;
  if(valid(k))
	if(k == m)
	 print();
	else
	 back(k+1);
 }
}
int main(void)
{
 freopen("combinari.in","r",stdin);
 freopen("combinari.out","w",stdout);
 scanf("%d%d", &n, &m);
 st[0] = 0;
 back(1);

 fcloseall();
 return 0;
}