#include<stdio.h>
#define N 20
int n,sol[N],a,num;
bool oc[N];
void afis()
{
	for (int i=1; i<=n; ++i)
		printf("%d ",sol[i]);
	printf("\n");
	if (sol[n]==n)
	{
		++num;
		oc[num]=true;
	}
}
void back(int x)
{
	if (x==n+1)
	{
		afis();
		return;
	}
	for (int i=1; i<=a; ++i)
	{
		if (!oc[i]&&sol[x-1]<i)
		{
			oc[i]=true;
			sol[x]=i;
			back(x+1);
			if (i>num)
			oc[i]=false;
		}
	}
}
int main()
{
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);
	scanf("%d%d",&a,&n);
	back(1);
	return 0;
}