#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
using mint = atcoder::modint998244353;

int main(){
	int n;
	cin>>n;
	vector<int> d(n);
	rep(i,n){
		string s;
		cin>>s;
		if(s=="Yes") d.at(i)=1;
		else d.at(i)=0;
	}
	int p=1;
	rep(i,n){
		p=(p==d.at(i));
		cout<<(p?"Yes\n":"No\n");
	}
}