#include<iostream>

using  namespace std;
int n, k;

bool solve() {
	return n % k == 0;
}


int main() {
	cin >> n >> k;
	if (solve()) {
		int need = n / k;
		int cnt = 0;
		for (int i = 1; i <= n; ++i) {
			if (cnt != need) {
				cout << 1 << " ";
				cnt++;
			}
			else {
				cout << 2 << " ";
			}
		}
	}
	else {
		cout << -1 << endl;
	}

	return 0;
}