#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  set<string> a;
  vector<string> s(n);
  for (int i = 0; i < n; i++) {
    cin >> s[i];
  }
  for (int i = n - 1; i >= 0; i--) {
    if (a.count(s[i]) == 0) {
      cout << s[i] << endl;
      a.insert(s[i]);
    }
  }
  return 0;
}
