using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var (n, k) = ((int)c[0], c[1]);
        if (n % k == 0)
        {
            WriteLine(string.Join(" ", Enumerable.Repeat(1, n / k).Concat(Enumerable.Repeat(n, n - n / k))));
        }
        else
        {
            WriteLine(-1);
        }
    }
}