n,k=gets.split.map(&:to_i)
sign=1
cur=100000
result=[]
n.times{|i|
    cur += sign
    result << cur
    # puts "cur=#{cur}, sign=#{sign}, i=#{i} n-k-1=#{n-k-1}"
    if i<n-k-1
        sign *=-1
    end
}
puts result.join(' ')