#include <bits/stdc++.h>
struct doint {
  int x;
  int y;
};
using namespace std;
int main() {
  int n;
  int k;
  cin >> n >> k;
  doint arr[n];
  arr[0].x = 1;
  arr[0].y = 1;
  for (int i = 1; i < n; i++) {
    arr[i].y = -1;
  }
  for (int i = k - 1; i > 0; i--) {
    arr[k - i].x = arr[k - i - 1].x + (pow(-1, k - i - 1) * (i + 1));
    arr[(arr[k - i].x) - 1].y = 1;
  }
  int mark = 0;
  for (int i = 1; i < n; i++) {
    if (arr[i].y == -1) {
      arr[k + mark].x = i + 1;
      arr[i].y = 1;
      mark++;
    }
  }
  for (int i = 0; i < n; i++) {
    cout << arr[i].x << " ";
  }
}
