#include<cstdio>

int k,n,sol[101];
char marc[101];

void afisare()
{
	
	int i;
	for (i=1;i<=k;++i)
		printf("%d ",sol[i]);
	printf("\n");
}


void bkt(int p)
{
	int i;
	
	if (p==k+1) 
	{
		afisare();
		return;
	}
	
	for (i=1;i<=n;++i)
		if (!marc[i]&&sol[p-1]<i)
		{
			marc[i]=1;
			sol[p]=i;
			bkt(1+p);
			marc[i]=0;
		}
	
}

int main()
{
	
	freopen("combinari.in","r",stdin);
	freopen("combinari.out","w",stdout);

	scanf("%d%d",&n,&k);
	sol[0]=-1;
	bkt(1);
	
	return 0;
}