#include <fstream>
#include <vector>
#define INFILE "combinari.in"
#define OUTFILE "combinari.out"
using namespace std;

ifstream fin(INFILE);
ofstream fout(OUTFILE);
int n,k;
void back(vector<int> &v, int n, int k, int x)
{
	if (x == k) {
		for (int i = 0; i < x; ++i)
			fout << v[i] << " ";
		fout << endl;
		return;
	}
	int first = x > 0?v[x-1] + 1:1;
	int last = k - x - 1 + n;
	for(int i = first; i<=last; ++i)
	{		
		v[x] = i;
		back(v, n, k, x + 1);
		
		
	}
	
}

int main()
{
	
	fin >> n >> k;
	vector<int> v;
	v.reserve(k);
	back(v, n, k, 0);
	fin.close();
	fout.close();
	return 0;
}