#include <bits/stdc++.h>
using namespace std;
string name[101];
vector<string> seen;
bool see = false;
int m, n, i, j;
int main() {
  cin >> n;
  m = n;
  i = 1;
  int k = 0;
  while (n > 0) {
    cin >> name[i];
    i++;
    n--;
  }
  for (i = 1; i <= m; i++) {
    see = false;
    for (vector<string>::iterator it = seen.begin(); it != seen.end(); ++it) {
      if (name[i] == *it) {
        cout << "YES" << endl;
        see = true;
        break;
      }
    }
    if (see == false) {
      cout << "NO" << endl;
      see = false;
      seen.push_back(name[i]);
    }
  }
  return 0;
}
