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

int N, K;

int main() {
	cin >> N >> K;
	vector <int> ans;
	if (N % K != 0) {
		cout << -1 << endl;
		return 0;
	}
	for (int i = 1; i <= N / K; i++) ans.push_back(1);
	for (int i = 1; i <= N - (N / K); i++) ans.push_back(2);
	for (int i = 0; i < N; i++) {
		cout << ans[i];
		if (ans.size() == N - 1) cout << endl;
		else cout << ' ';
	}
	return 0;
}