#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int i, j, k, l, m, n;
  cin >> n >> k;
  if (k == 1) {
    for (i = 1; i <= n; i++) cout << i << " ";
    cout << endl;
  } else if (k == 2) {
    cout << "1 ";
    for (i = n; i > 1; i--) cout << i << " ";
    cout << endl;
  } else {
    l = 1;
    j = n;
    m = 1;
    while (k >= 2) {
      if (l % 2 == 0) {
        cout << j-- << " ";
      } else {
        cout << m++ << " ";
      }
      l++;
      k--;
    }
    if (l % 2)
      for (i = m; i <= j; i++) cout << i << " ";
    else
      for (i = j; i >= m; i--) cout << i << " ";
    cout << endl;
  }
  return 0;
}
