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

#define rep(i, n) for( ll i = 0; i < n; i++ )
using ll = long long;

int main() {
	int n, k;
	cin >> n >> k;
	if(n % k) {
		cout << -1 << endl;
		return 0;
	}
	int d = n / k;
	vector<int> v(n);
	rep(i, d) v[i] = 1;
	for(int i = d; i < n; i++) v[i] = 2;
	rep(i, n) cout << v[i] << " ";
	cout << endl;
}