#include <fstream>
using namespace std;

int v[20], c = 0, n, k;

void bkt(int p);
void afis();

ofstream out;

int main()
{
	ifstream in("combinari.in");
	out.open("combinari.out");
	in >> n >> k;
	bkt(1);
	return 0;
}

void bkt(int p)
{
	if (c == k) {
		afis();
		return;
	}
	for (int i = p; i <= n; i++) {
		if (n - i < k - c - 1)
			return;
		c++;
		v[c] = i;
		bkt(i + 1);
		c--;
	}
}

void afis()
{
	for (int i = 1; i <= c; i++)
		out << v[i] << " \n"[i == c];
}