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

int main() {
    int n, k;
    cin >> n >> k;
    if (n % k == 0) {
        int q = n / k;
        for (int i = 0; i < q; i++) {
            cout << 1 << " ";
        }
        for (int i = 0; i < n - q; i++) {
            cout << 2 << " ";
        }
        cout << endl;
    } else {
        cout << -1 << endl;
    }
}