#include <bits/stdc++.h>
using namespace std;
int INF = INT_MAX;
int NEG_INF = INT_MIN;
template <class T1, class T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
  return os << '{' << p.first << ", " << p.second << '}';
}
template <class T, class = decay_t<decltype(*begin(declval<T>()))>,
          class = enable_if_t<!is_same<T, string>::value>>
ostream &operator<<(ostream &os, const T &c) {
  os << '[';
  for (auto it = c.begin(); it != c.end(); ++it)
    os << &", "[2 * (it == c.begin())] << *it;
  return os << ']';
}
//support up to 5 args
#define _NTH_ARG(_1, _2, _3, _4, _5, _6, N, ...) N
#define _FE_0(_CALL, ...)
#define _FE_1(_CALL, x) _CALL(x)
#define _FE_2(_CALL, x, ...) _CALL(x) _FE_1(_CALL, __VA_ARGS__)
#define _FE_3(_CALL, x, ...) _CALL(x) _FE_2(_CALL, __VA_ARGS__)
#define _FE_4(_CALL, x, ...) _CALL(x) _FE_3(_CALL, __VA_ARGS__)
#define _FE_5(_CALL, x, ...) _CALL(x) _FE_4(_CALL, __VA_ARGS__)
#define FOR_EACH_MACRO(MACRO, ...)                                             \
  _NTH_ARG(dummy, ##__VA_ARGS__, _FE_5, _FE_4, _FE_3, _FE_2, _FE_1, _FE_0)     \
  (MACRO, ##__VA_ARGS__)
//Change output format here
#define out(x) "\033[31m" #x " = " << x << "; \033[0m"
#define dbg(...)                                                              \
  cerr << "\033[31m" << "Line " << __LINE__ << ": " << "\033[0m" FOR_EACH_MACRO(out, __VA_ARGS__) << "\n"
#define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end)))
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n;
	cin>>n;
	map<int, deque<int>> m;
	vi l;
	rep(i,0,n) {
		int k;
		cin >> k;
		m[k].push_back(i);
		l.push_back(k);
	}
	int tot = accumulate(all(l),0)*2/sz(l);
	int i=0;
	vi out;
	int k;

	rep(it, begin(l), end(l)) {
		i++;
		int k = *it;
		int x=tot-k;
		// dbg(x, m[x]);
		if (!m[x].empty()) {
			out.push_back(m[x].front());
			m[x].pop_front();
		}
		else {
			break;
		}
	}
	// dbg(out,l,sz(out),sz(l));
	if (sz(out) != sz(l)) {
		cout << -1;
	}
	else {
		rep(x, begin(out),end(out)) cout << *x+1 << " ";
	}
	cout << endl;


}