#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  int n, k;
  cin >> n >> k;
  // x = n / k
  if (n % k != 0) {
    cout << -1 << endl;
  }
  else {
    rep(_, n / k) cout << 1 << ' ';
    rep(_, n - n / k) cout << 2 << ' ';
    cout << endl;
  }
  return 0;
}