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

const int INF = INT64_MAX/3, modl=1e9+7, MAXN = 2e5, MXN = 2e3;
mt19937 gen(chrono::steady_clock::now().time_since_epoch().count());

int check( vector<int> &arr, vector<int> &pd ) {
    int n = arr.size();
    for( int i = 0 ; i < n ; i++ ) {
        if( arr[i] == pd[i] ) return 0;
    }
    return 1;
}

signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n, T = 5e7/500, f = 1;
    cin >> n;
    vector<int> arr, pd(n);
    for( int i=0 ; i < n ; i++ ) cin >> pd[i], arr.push_back(i);
    for( ; T-- ; ) {
        shuffle(arr.begin(), arr.end(), gen);
        if( check(arr, pd) ) {
            for( int i : arr ) cout << i << '\n';
            return 0;
        }
    }
    cout << -1 << '\n';
}