#include<iostream>
using namespace std;

int main(){
    int n, k; cin >> n >> k;
    int sum = 1;
    for (int i = 0; i < n; i++){
        if (sum * k == n) break;
        sum++;
    }
    if (sum == n + 1) cout << -1 << endl;
    else {
        for (int i = 0; i < n; i++){
            if (i < sum) cout << 1 << " ";
            else cout << 2 << " ";
        }
        cout << endl;
    }
}