#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  int n, k;
  cin >> n >> k;
  int ara[n + 1];
  for (int i = 0; i < n; ++i) ara[i] = i + 1;
  int sz = k, first = 0, last = n - 1, cnt = 0;
  bool accf = 1, accl = 0;
  while (sz--) {
    if (accf) {
      cout << ara[first] << " ";
      ++cnt;
      ++first;
      accf = 0;
      accl = 1;
    } else if (accl) {
      cout << ara[last] << " ";
      ++cnt;
      --last;
      accf = 1;
      accl = 0;
    }
  }
  if (!(cnt % 2)) {
    for (int i = last; i >= first; --i) cout << ara[i] << " ";
  } else {
    for (int i = first; i <= last; ++i) cout << ara[i] << " ";
  }
  cout << "\n";
}
