#include<cstdio>
const short N=19;
short k,n,sol[N];
void prelucrare()
{
	for(int i=1;i<=k;i++)
		printf("%hd ",sol[i]);
	printf("\n"); 
}
void bkt(short p)
{
	if(p-1==k)
	{
		prelucrare();
		return; 
	}
	for(short i=1+sol[p-1];i<=n;i++)
	{
		sol[p]=i;
		bkt(p+1);
	}
}
int main()
{
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);
	scanf("%hd%hd",&n,&k);
	bkt(1);
	return 0;
}