#include <bits/stdc++.h>
using namespace std;

int main()
{
    int N, K;
    cin >> N >> K;
    if (N % K != 0)
    {
        cout << -1;
        return 0;
    }
    int M = N / K;
    for (int i = 0; i < N / K; i++)
    {
        cout << 1 << " ";
    }
    for (int i = N / K; i < N; i++)
    {
        cout << i << " ";
    }
}