#include <iostream>
#include <cstdint>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	
	uint32_t N, K, i;
	cin >> N >> K;

	if (N % K != 0)
	{
		cout << "-1\n";
		return 0;
	}

	cout << '1';
	for (i = 1; i != N / K; ++i)
		cout << " 1";
	for (; i != N; ++i)
		cout << " 2";
	cout << '\n';

	return 0;
}