#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define FORR(i,a,b) for (int i=(a);i>=(b);i--)
#define pb push_back

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef set<int> si;
const int inf = 1e9;
const int mod = 1e9+7;

int n, k;
int a[4] = {0, 2, 1, 3};
main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cin >> n >> k;
  int m = n - k - 2;
  FOR(i, 0, m + 2){
    cout << a[i % 4] + 30000;
    if(i < n - 1)cout << " ";
  }
  int d;
  if(m % 2 == 0){
    d = 1;
  }else{
    d = -1;
  }
  int l = a[(m + 1)%4] + 30000;
  FOR(i, m+2, n){
    l += d;
    cout << l;
    if(i < n - 1)cout << " ";
  }
  cout << endl;
}