import java.io.*;
import java.util.*;

public class Main{

    public static List<Integer> list = new ArrayList<Integer>();
    static void dfs(int x, int n, int m){

        if(list.size()>m||list.size()+n-x+1<m){
            //当取的数超过了m个时，剪枝叶
            //或者是 不够选了的情况
            return;
        }

        if(x == n + 1)
        {
            for(int i = 0;i < list.size();i++)
                System.out.print(list.get(i) + " ");
            System.out.println();
            return;
        }

        //选择以及不选择
        list.add(x);
        dfs(x+1,n,m);

        list.remove(list.size()-1);
        //不选的，把他移除
        dfs(x+1,n,m);
    }



    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();
        sc.close();
        dfs(1,n,m);

    }
}