#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
  int n, k;
  cin >> n >> k;
  if (n % k != 0)
  {
    cout << -1 << endl;
    return 0;
  }
  for (int i = 0; i < n / k; ++i) cout << 1 << ' ';
  for (int i = n / k; i < n; ++i) cout << 2 << ' ';
  cout << endl;
}