#include <bits/stdc++.h>
int next[1000010];
int ans[1000010], check[1000010];
std::vector<int> V, save[1000010];
int main() {
  int a;
  scanf("%d", &a);
  for (int i = 1; i <= a; i++) scanf("%d", &next[i]);
  for (int i = 1; i <= a; i++) {
    if (check[i] == 0) {
      V.clear();
      int p = i;
      while (check[p] == 0) {
        check[p] = 1;
        V.push_back(p);
        p = next[p];
      }
      if (V.size() % 2 == 1) {
        int p = next[V[(V.size() - 1) / 2]];
        for (int j = 0; j < V.size(); j++) {
          ans[V[j]] = p;
          p = next[p];
        }
      } else
        save[V.size()].push_back(i);
    }
  }
  for (int i = 1; i <= a; i++) check[i] = 0;
  for (int i = 2; i <= a; i += 2) {
    if (save[i].size() % 2 == 1) {
      printf("-1");
      return 0;
    }
    for (int j = 0; j < save[i].size(); j += 2) {
      int s = save[i][j];
      int t = save[i][j + 1];
      while (check[s] == 0) {
        check[s] = 1;
        ans[s] = t;
        ans[t] = next[s];
        s = next[s], t = next[t];
      }
    }
  }
  for (int i = 1; i <= a; i++) printf("%d ", ans[i]);
}
