#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, k;
  cin >> n >> k;
  int flag = k, arr[100005];
  bool temp[100005];
  memset(temp, false, sizeof temp);
  arr[1] = 1;
  temp[1] = true;
  for (int i = 2; i <= k; i++) {
    if (i % 2 == 0) {
      arr[i] = arr[i - 1] + flag;
      temp[arr[i]] = true;
    } else {
      arr[i] = arr[i - 1] - flag;
      temp[arr[i]] = true;
    }
    flag--;
  }
  int x = k + 1;
  for (int i = 1; i <= n; i++) {
    if (temp[i] == false) {
      arr[x] = i;
      x++;
    }
  }
  for (int i = 1; i <= n; i++) {
    cout << arr[i] << " ";
  }
  return 0;
}
