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