#include <iostream>
using namespace std;


int main(void)
{
	int n, k;
	cin >> n;
	cin >> k;

		int sit = 1;
		int i = 1;
		while(k >0)
		{
			if(sit == 1){
				cout << i;
				sit = 2;
				k--;
			}
			else{
				cout << n - i +1;
				sit = 1;
				i++;
				k--;
			}
			cout << " ";
		}
		if(sit == 1)
		{
			for(int j=n-i+1;j>i;j--)
				cout << j << " ";
			cout << i;
		}
		else{
			for(int j=i+1;j<n-i+1;j++)
				cout << j << " ";
			cout << n-i+1;
		}
	return 0;
}