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

#define WHY_NOT_AC ios::sync_with_stdio(0), cin.tie(0), cout.tie(0)
// #define WHY_NOT_AC ios::sync_with_stdio(0), cin.tie(0)

#define ULL unsigned long long
#define int long long
#define endl "\n"
#define DB double
#define LL long long

int n;
vector<int> hatenum, number;
int frandom(int l, int r)
{
    mt19937 mt(chrono::steady_clock::now().time_since_epoch().count());
    uniform_int_distribution<> dis(l, r);
    return dis(mt);
}
void fshuffle()
{
    mt19937 mt(chrono::steady_clock::now().time_since_epoch().count());
    shuffle(number.begin(), number.end(), mt);
}
bool check()
{
    for (int i = 0; i < n; i++)
    {
        if (hatenum[i] == number[i])
            return false;
    }
    return true;
}
signed main()
{
    cin >> n;
    hatenum.resize(n);
    number.resize(n);
    for (int i = 0; i < n; i++)
    {
        cin >> hatenum[i];
        number[i] = i;
    }
    int times = 20;
    while (times--)
    {
        if (check())
        {
            for (int i : number)
                cout << i << endl;
            return 0;
        }
        fshuffle();
    }
    cout << -1 << endl;
    return 0;
}