#include <bits/stdc++.h>
using namespace std; 

int n, k; 

int main(void) {
    ios::sync_with_stdio(0); 
    cin >> n >> k; 
    if (k == 0) return cout << "-1\n", 0; 
    for (int i = 1; i <= k; ++i) cout << (i == k ? 1 : i + 1) << " "; 
    for (int i = k + 1; i <= n; ++i) cout << i << " "; 
    cout << "\n"; 
    return 0; 
}