#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(v) v.begin(),v.end()
typedef long long ll;
 
#include<bits/stdc++.h>
using namespace std;

ll MOD1=464975561;
ll MOD2=219930517;

int main(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  
  random_device rd;
  mt19937_64 rnd(rd());    
  uniform_int_distribution<ll> dist_n1(1000001,99999999),dist_n2(1000001,99999999);
  
  int n;
  cin>>n;
  vector<string> S(n);
  rep(i,n) cin>>S[i];
  
  vector<ll> A(1000100),B(1000100);
  rep(i,1000100){
    ll a=dist_n1(rnd),b=dist_n2(rnd);
    A[i]=a,B[i]=b;
  }
  
  set<pair<ll,ll>> s;
  rep(i,n){
    ll sum1=0,sum2=0;
    int k=S[i].size();
    rep(j,k){
      sum1=(sum1+A[j]*S[i][j]%MOD1)%MOD1;
      sum2=(sum2+B[j]*S[i][j]%MOD2)%MOD2;
    }
    if(s.count({sum1,sum2})) cout<<"Yes"<<'\n';
    else cout<<"No"<<'\n';
    s.insert({sum1,sum2});
    rep(j,k-1){
      ll a=(sum1-A[j]*S[i][j]%MOD1-A[j+1]*S[i][j+1]%MOD1+A[j]*S[i][j+1]+A[j+1]*S[i][j]+2*MOD1)%MOD1;
      ll b=(sum2-B[j]*S[i][j]%MOD2-B[j+1]*S[i][j+1]%MOD2+B[j]*S[i][j+1]+B[j+1]*S[i][j]+2*MOD2)%MOD2;
      s.insert({a,b});
    }
  }

  return 0;
}