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

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

    // Case where it's impossible to construct such a dice
    if (K > N)
    {
        cout << "-1" << endl;
        return 0;
    }

    // Construct the dice configuration
    vector<int> result(N);
    for (int i = 0; i < K; ++i)
    {
        result[i] = i + 1; // Assign unique values from 1 to K
    }

    for (int i = K; i < N; ++i)
    {
        result[i] = 1; // Fill the rest with 1
    }

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

    return 0;
}