#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define nl '\n'
#define py cout << "YES\n"
#define pn cout << "NO\n"
const double eps = 1e-7; 
 
void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
}
 
void solve() {
    int n; cin >> n;
    vector<string>v(n),ans;
    for(auto &i:v) cin >> i;
    reverse(v.begin(),v.end());
 
    for(int i=0;i<n;i++){
        if(find(ans.begin(),ans.end(),v[i]) == ans.end()) ans.pb(v[i]);
    }
 
    for(auto i:ans) cout << i << nl;
}
 
int main() {
    fastio();
    int t = 1;
    //cin >> t;
    while (t--)
        solve();
    return 0;
}
 

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4
alex
ivan
roman
ivan