n, k = map(int,input().split())
if n == 1:
    print('1')
    exit()
t = n - k + 1
w = t - 1
for _ in range(k):
    if t != 0:
        print(t,end=' ')
    if w != 0:
        print(w,end=' ')
    t += 1
    w -= 1
for i in range(n - 2 * k,0,-1):
    print(i,end=' ')