n,k = map(int, input().split(" "))
a_list = [1]
kadomatsu_elem_count = n-k-1
last_elem = 1
while kadomatsu_elem_count:
    if kadomatsu_elem_count %2:
        last_elem += 2
        a_list.append(last_elem)
    else:
        last_elem -= 1
        a_list.append(last_elem)
    
    kadomatsu_elem_count -= 1
    
tail_count = k
while tail_count:
    last_elem += 1
    a_list.append(last_elem)
    tail_count -= 1
    
print(*a_list)