#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n, k, med, i;
    cin >> n >> k;

    int pmin=1, pmax=n;
    med = n/2 + (n&1); // a medián

    bool sw = true;

    for(i = 1; i <= n; i++)
    {
        if(i == k)
        {
            cout << med << " ";
            continue;
        }
        
        sw = !sw;
        if(sw)
        {
            cout << pmin << " ";
            pmin += 1 + (pmin == med);
            continue;
        }

        cout << pmax << " ";
        pmax -= 1 + (pmax == med);
    }
    cout << "\n";
    return 0;
}