use proconio::input;

fn main() {
    input! {
        n: usize,
        k: usize,
    };
    if n % k != 0 {
        println!("-1");
        return;
    }
    let mut ans = vec![1; n / k];
    ans.append(&mut vec![2; n - n / k]);
    for ch in ans {
        print!("{} ", ch);
    }
    println!();
}