#include <iostream>
#include <vector>
using namespace std;

int main()
{
    int N, K;
    cin >> N >> K;

    if (K > N)
    {
        cout << "-1" << endl;
        return 0;
    }

    vector<int> result(N);

    int count = N / K;
    for (int i = 0; i < count; ++i)
    {
        result[i] = 1;
    }

    for (int i = count; i < N; ++i)
    {
        result[i] = (i - count + 2);
        if (result[i] > N)
        {
            result[i] = 2; 
        }
    }

    for (int i = 0; i < N; ++i)
    {
        cout << result[i] << " ";
    }
    cout << endl;

    return 0;
}