#include <vector>
#include <iostream>
#include <string>
#include <ostream>
#include <map>
#include <set>
#include <bitset>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <list>
#include <regex>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define reps(i, n) for (int i = 1; i < (n); i++)
using namespace std;

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