#include <bits/stdc++.h>
using namespace std;

int main() {
	int N;
	cin >> N;
	vector<bool> P(N + 1);
	for (int i = 1; i <= N; i++) {
		string s;
		cin >> s;
		P[i] = s == "Yes";
	}
	map<pair<int, int>, bool> memo;
	auto X = [&](auto&& X, int l, int r) -> bool {
		if (l == r) {
			return P[l];
		}
		if (memo.count(make_pair(l, r))) {
			return memo[make_pair(l, r)];
		}
		return memo[make_pair(l, r)] = P[l] == X(X, l + 1, r);
	};
	for (int i = 1; i <= N; i++) {
		cout << (X(X, 1, i) ? "Yes\n" : "No\n");
	}
}