#include <bits/stdc++.h>
using namespace std;
bool vis[100006];
int main() {
  int n, k;
  while (cin >> n >> k) {
    memset(vis, false, sizeof(vis));
    int st = 1, ed = 1 + k;
    int cnt = 0;
    while (cnt < k && st <= ed) {
      if (st != ed)
        vis[st] = vis[ed] = true, cout << st << ' ' << ed << ' ';
      else
        vis[st] = true, cout << st << ' ';
      st++, ed--;
      cnt++;
    }
    for (int i = 1; i <= n; i++) {
      if (!vis[i]) cout << i << ' ';
    }
    puts("");
  }
  return 0;
}
