#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <fstream>
using namespace std;

const string file = "combinari";

const string infile = file + ".in";
const string outfile = file + ".out";

const int INF = 0x3f3f3f3f;

int main()
{
	fstream fin(infile.c_str(), ios::in);
	int N, K;
	fin >> N >> K;
	fin.close();

	fstream fout(outfile.c_str(), ios::out);

	for(int i = 1; i <= (1 << N) - 1; i++)
	{
		int count = 0;
		for(int j = 0; j <= N; j++)
		{
			if(i & (1 << j)) count ++;
		}

		if(count == K)
		{
			for(int j = 0; j <= N; j++)
			{
				if(i & (1 << j))
				{
					fout << j + 1 << " ";
				}
			}
			fout << "\n";
		}

	}

	fout.close();
}