#include <vector>
#include <string> 
#include <set> 
#include <map> 
#include <unordered_set>
#include <unordered_map>
#include <queue> 
#include <bitset> 
#include <stack>
#include <list>

#include <numeric> 
#include <algorithm> 
#include <random>
#include <chrono>

#include <cstdio>
#include <fstream>
#include <iostream> 
#include <sstream> 
#include <iomanip>
#include <climits>

#include <cctype>
#include <cmath> 
#include <ctime>
#include <cassert>

using namespace std;

#define ULL unsigned long long
#define LL long long
#define PII pair <int, int>
#define VB vector <bool>
#define VI vector <int>
#define VLL vector <LL>
#define VD vector <double>
#define VS vector <string>
#define VPII vector <pair <int, int> >
#define VVI vector < VI >
#define VVB vector < VB >
#define SI set < int >
#define USI unordered_set <int>
#define MII map <int, int>
#define UMII unordered_map <int, int>
#define MS multiset
#define US unordered_set
#define UM unordered_map
#define UMS unordered_multiset
#define UMM unordered_multimap

#define FORN(i, n) for(int i = 0; i < (n); ++i)
#define FOR(i, a, b) for(int i = (a); i <= (b); ++i)
#define FORD(i, a, b) for(int i = (a); i >= (b); --i)

#define SZ size()
#define BG begin() 
#define EN end() 
#define CL clear()
#define X first
#define Y second
#define RS resize
#define PB push_back
#define MP make_pair
#define ALL(x) x.begin(), x.end()
#define INS insert
#define ER erase
#define CNT count

int n, k, s = 0;

int main()
{
	cin >> n >> k;
	int l = 1, r = n;

	while (s < k - 2)
	{
		cout << r-- << " ";
		cout << l++ << " ";
		s += 2;
	}

	int m = (l + r) / 2;
	if (k & 1)
	{
		FOR(i, 0, n - s - 1)
		{
			if (i & 1) m += i;
			else m -= i;
			cout << m << " ";
		}
	}
	else
	{
		++m;
		cout << m << " ";
		--m;
		cout << m << " ";
		if (k < n)
		{
			--m;
			cout << m << " ";
			FOR(i, 3, n - s - 1)
			{
				if (i & 1) m += i;
				else m -= i;
				cout << m << " ";
			}
		}
	}

	return 0;
}