#include <fstream>

using namespace std;

ifstream f("combinari.in");
ofstream g("combinari.out");

int n, k;
int sir[100];

void combinari(int y)
{
	for(int i = sir[y-1]+1; i <= n; i++)
	{
	sir[y] = i;
		if (y < k) combinari(y+1);
		if (y == k) 
		{
			for (int j = 1; j <= y; j++)
				g << sir[j] << " ";
			g << endl;
		}
	}
}

int main()
{
	f >> n >> k;
	combinari(1);
}