#include <bits/stdc++.h>

using namespace std;

typedef pair<int, int> pii;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n;
    vector<int> neg;
    vector<pii> tobbi;
    int a;
    for(int i = 1; i <= n; i++){
        cin >> a;
        if(a == -1){
            neg.push_back(i);
        }
        else{
            tobbi.push_back({a, i});
        }
    }
    sort(neg.begin(), neg.end(), greater<int>());
    sort(tobbi.begin(), tobbi.end());
    vector<int> megoldas(n+1, -1);
    int akt = 1;
    for(auto x : tobbi){
        megoldas[x.second] = akt++;
    }
    for(int x : neg){
        megoldas[x] = akt++;
    }
    for(int i = 1; i <= n; i++){
        cout << megoldas[i] << " ";
    }
    cout << "\n";
}