#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, k;
  cin >> n >> k;
  vector<int> v(n);
  int val = 1;
  for (int i = 0; i < n; i++) {
    v[i] = val;
    if (i + 1 < n) {
      v[i + 1] = n - val + 1;
      val++;
      i++;
    }
  }
  int i;
  for (i = 0; i < k; i++) {
    cout << v[i] << " ";
  }
  int mn = 1e9, mx = 0;
  for (int j = i; j < n; j++) {
    if (v[j] > mx) mx = v[j];
    if (v[j] < mn) mn = v[j];
  }
  if ((k - 1) % 2 == 0) {
    for (i; i < n; i++) cout << mn++ << " ";
  } else {
    for (i; i < n; i++) cout << mx-- << " ";
  }
}
