// Combinari.cpp : Defines the entry point for the console application.
//

#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include "fstream"


using namespace std;

ifstream input("combinari.in");
ofstream output("combinari.out");


int vector[20];
void print(int k)
{
	for (int i = 1; i <= k; i++)
		output << vector[i] << " ";

	output << "\n";
}

void generate(int pos, int n,int k)
{
	if (pos > k)
		print(k);
	else{
		for (int i = vector[pos - 1] + 1; i < n - (k - pos) + 1; i++)
		{
			vector[pos] = i;
			generate(pos + 1,n,k);
		}
	}
}

int main()
{
	int n, k;
	input >> n >> k;
	generate(1, n, k);

	input.close();
	output.close();
	return 0;
}