#include<stdio.h>
int n,k,sol[100],p;
void afisare()
{
	int i;
	for(i=1;i<=k;i++)
		printf("%d ",sol[i]);
	printf("\n");
}

void bkt(int p)
{
	if(p==k+1)
	{
		afisare();
		return;
	}
	for(int 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("%d %d",&n,&k);
	bkt(1);
	return 0;
}