#include <bits/stdc++.h>
using namespace std;
const long long int MOD = 1e9 + 7;
void solve() {
  int n, k;
  cin >> n >> k;
  vector<int> v(n);
  for (int i = 1; i <= n; i++) v[i - 1] = i;
  int i = 0, j = n - 1;
  while (true) {
    if (k == 1) {
      while (i <= j) {
        cout << v[i++] << ' ';
      }
      break;
    } else if (k == 0) {
      while (i <= j) {
        cout << v[j--] << ' ';
      }
      break;
    } else {
      cout << v[i++] << ' ' << v[j--] << ' ';
      k -= 2;
    }
  }
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  solve();
}
