#include <iostream>

using namespace std;

int main(int argc, char *argv[]) {
	int n, k, s = 1;
	cin >> n >> k;
	for (int i = 0; i < k; ++i) {
		cout << " " << s;
		++s;
	}
	for (int i = k; i < n; ++i) {
		cout << " " << s;
		s += (i % 2) ? 1 : -1;
	}
	cout << endl;
	return 0;
}