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

int main() {
	int n,k; cin >> n >> k;
    vector<int> vec;
    for(int i=1; i<=n/2; i++)
    {
        vec.push_back(n-i+1);
        vec.push_back(i);
    }
    if(!(n&1))
        vec.pop_back();
    /*for(auto& z:vec)
        cerr << z << " ";*/
    //reverse(vec.begin(), vec.end());
    //vec.push_back((n+1)/2);
    for(int i=0; i<k-1; i++)
    {
        cout << vec[i] << " ";
    }
    cout << k << " ";
    for(int i=k-1; i<n-1; i++)
    {
        cout << vec[i] << " ";
    }
}