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

int main() {
    int n;
    cin >> n;
    vector<string> sorrend(n);
    set<string> users;

    for (int i = 0; i < n; i++) {
        cin >> sorrend[i];
    }

    cout<<endl;

    for (int i = sorrend.size()-1; i >= 0; i--) {
        if (!users.count(sorrend[i])) {
            cout<<sorrend[i]<<endl;
            users.insert(sorrend[i]);
        }
    }
}