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

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