#include <bits/stdc++.h>
using namespace std;
int main() {
  int n = 0, a[100004] = {0}, vis[100005] = {0}, t = 0, k = 0, m = 0, i = 0,
      j = 0, ans = 0;
  string str, s;
  vector<pair<int, int> > v;
  cin >> n >> k;
  a[0] = 1;
  vis[1] = 1;
  cout << 1 << " ";
  for (i = 1; i < n; i++) {
    if (i % 2) {
      cout << k + a[i - 1] << " ";
      vis[k + a[i - 1]] = 1;
      a[i] = k + a[i - 1];
    } else {
      cout << a[i - 1] - k << " ";
      vis[a[i - 1] - k] = 1;
      a[i] = a[i - 1] - k;
    }
    k--;
    if (k == 0) {
      i++;
      break;
    }
  }
  for (i = 1; i <= n; i++)
    if (vis[i] == 0) cout << i << " ";
  return 0;
}
