#include <bits/stdc++.h>
#pragma comment(linker, "/STACK:1000000000")
using namespace std;
const int N = 100001;
int n, k;
int ans[N];
int main() {
  scanf("%d%d", &n, &k);
  ans[0] = 1;
  int l = 2, r = n, pos = 1;
  int it = 1;
  while (k > 1) {
    if (it == 1)
      ans[pos++] = r--;
    else
      ans[pos++] = l++;
    k--;
    it ^= 1;
  }
  if (it == 1)
    for (int i = pos; i < n; ++i) ans[i] = l++;
  else
    for (int i = pos; i < n; ++i) ans[i] = r--;
  for (int i = 0; i < n; ++i) printf("%d ", ans[i]);
  return 0;
}
