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

int main() {
    int n = 6, k = 5;
    // cin >> n >> k;

    if (k > n || n % k != 0) {
        cout << "-1\n";
        return 0;
    }
    int ones = n / k;

    for (int i = 0; i < n; i++) {
        if (ones) {
            cout << 1 << ' ';
            ones--;
            continue;
        } else {
            cout << i - ones << ' ';
        }
    }
}