#include <fstream>

using namespace std;

ifstream fin("combinari.in");
ofstream fout("combinari.out");

int n, sol[100], p;

void display()
{
	for(int i = 1; i <= p; ++i)
	{
		fout << sol[i] << " ";
	}
	fout << '\n';
}

void bkt(int k)
{
	if(k == p+1)
	{
		
		display();
		return;
	}

	for(int i = sol[k-1] + 1; i <= n; ++i)
	{

		sol[k] = i;
		bkt(k+1);
	}
}

int main()
{
	fin >> n >> p;

	sol[0] = 0;
	bkt(1);

	return 0;
}