#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
const int alpha = 26;
const int dx[] = {2, 1, 2, -1, -2, 1, -2, -1};
const int dy[] = {1, 2, -1, 2, 1, -2, -1, -2};
bool used[N];
int main() {
  int n, k;
  cin >> n >> k;
  if (k == 1) {
    for (int i = 1; i <= n; i++) cout << i << " ";
    return 0;
  }
  int cnt = k;
  int cur = 1, l = 1;
  while (cnt > 0) {
    cout << cur << " ";
    used[cur] = 1;
    if (l % 2 == 1)
      cur += cnt;
    else
      cur -= cnt;
    l++;
    cnt--;
  }
  for (int i = 1; i <= n; i++)
    if (!used[i]) cout << i << " ";
}
