#include <bits/stdc++.h>
using namespace std;
const signed long long Infinity = 1000000001;
const long double Epsilon = 1e-9;
template <typename T, typename U>
ostream& operator<<(ostream& os, const pair<T, U>& p) {
  return os << "(" << p.first << "," << p.second << ")";
}
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& V) {
  os << "[";
  for (__typeof(V.begin()) i = V.begin(); i != V.end(); ++i)
    os << *i << (i - V.begin() + 1 == ((int)V.size()) ? "" : ",");
  os << "]\n";
  return os;
}
template <typename T>
ostream& operator<<(ostream& os, const set<T>& S) {
  os << "(";
  for (__typeof(S.begin()) i = S.begin(); i != S.end(); ++i)
    os << *i << (*i == *S.rbegin() ? "" : ",");
  os << ")\n";
  return os;
}
template <typename T, typename U>
ostream& operator<<(ostream& os, const map<T, U>& M) {
  os << "{";
  for (__typeof(M.begin()) i = M.begin(); i != M.end(); ++i)
    os << *i << (i->first == M.rbegin()->first ? "" : ",");
  os << "}\n";
  return os;
}
int N, K;
void read_data() { scanf("%d %d", &N, &K); }
void solve() {
  if (N == K) {
    printf("-1\n");
  } else {
    for (int(i) = (1); (i) <= (N - K - 1); (i)++) printf("%d ", i + 1);
    printf("1 ");
    for (int(i) = (N - K + 1); (i) <= (N); (i)++) printf("%d ", i);
  }
}
int main() {
  read_data();
  solve();
  return 0;
}
