#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using namespace std;
using ll = long long;

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