#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, k, tmp, tmp2;
  bool mark[100005];
  int save[100005];
  memset(mark, 0, sizeof(mark));
  cin >> n >> k;
  tmp = 1;
  printf("%d ", tmp);
  mark[tmp] = 1;
  for (int i = 0; i <= k - 1; i++) {
    if (tmp - (k - i) <= 0 || mark[tmp - (k - i)]) {
      tmp += (k - i);
    } else
      tmp -= k - i;
    mark[tmp] = 1;
    printf("%d", tmp);
    if (k != n - 1)
      printf(" ");
    else {
      if (i != k - 1)
        printf(" ");
      else
        printf("\n");
    }
  }
  int nn = 0;
  for (int i = 1; i <= n; i++) {
    if (!mark[i]) {
      save[nn++] = i;
    }
  }
  for (int i = 0; i < nn; i++) {
    printf("%d", save[i]);
    if (i != nn - 1)
      printf(" ");
    else
      printf("\n");
  }
  return 0;
}
