#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;


int main(){
  int N, M;
  cin >> N >> M;

  vector<int> v;
  rep(i,N){
    v.push_back(1+i);
  }
  int score = 0;
  rep(i,v.size()){
    score ^= v[i];
  }

  int del = 0;
  while(N-del>M){
    bool flg = false;
    rep(i,v.size()){
      if(v[i] == 0) continue;
      int tmp = score ^ v[i];
      if(tmp >= score){
        v[i] = 0;
        score = tmp;
        flg = true;
        break;
      }
    }
    if(!flg){
      rep(i,v.size()){
        if(v[i] == 0) continue;
        if(flg) break;
        rep(j,v.size()){
          if(v[j] == 0) continue;
          int tmp = score ^ v[i] ^ v[j];
          if(tmp >= score){
            v[i] = 0;
            v[j] = 0;
            score = tmp;
            flg = true;
            break;
          }
        }
      }
    }
    if(flg) del++;
  }

  vector<int> ret;
  rep(i,N){
    if(v[i] == 0) continue;
    ret.push_back(v[i]);
  }

  rep(i,ret.size()){
    if(i>0) cout << " ";
    cout << ret[i];
  }
  cout << endl;
  return 0;
}