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

void fast_io() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
}

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