use std::collections::VecDeque;

fn main() {
    let mut nk = String::new();
    std::io::stdin().read_line(&mut nk).ok();
    let nk: Vec<usize> = nk.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
    let n = nk[0];
    let k = nk[1];

    let mut base: VecDeque<usize> = (0..n).collect();
    let mut result: Vec<usize> = vec![];
    for i in 0..n-k {
        if i % 2 == 0 {
            result.push(base.pop_front().unwrap());
        } else {
            result.push(base.pop_back().unwrap());
        }
    }
    for _ in 0..k {
        result.push(result[result.len()-1]);
    }
    println!("{}", result.iter().map(|i| i.to_string()).collect::<Vec<String>>().join(" "));
}