#include <bits/stdc++.h>
#define endl '\n'
#define int long long
using namespace std;

const int N = 1e6 + 5;

void solve() {
    int n, k;
    cin >> n >> k;
    if (k == 0) {
        cout << -1 << endl;
        return;
    }
    for (int i = 1; i < k; i++) {
        cout << i + 1 << " ";
    }
    cout << 1 << " ";
    for (int i = k + 1; i <= n; i++) {
        cout << i << " \n"[i == n];
    }
}

signed main() {
    ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);

    int T = 1;
    //cin >> T;
    while (T--) solve();

    return 0;
}