#include <bits/stdc++.h>
#include <unordered_set>
using namespace std;
#define rep(i, n) for(int i=0; i<n; i++)
#define debug 0
#define YES cout << "Yes" << endl;
#define NO cout << "No" << endl;
using ll = long long;
using ld = long double;
const int mod = 998244353;
const int MOD = 1000000007;
const double pi = atan2(0, -1);
#include <time.h>
#include <chrono>

int main() {
	int N;
	cin >> N;
	vector<int> yn(N);
	rep(i, N) {
		string s;
		cin >> s;
		if (s == "Yes") {
			yn[i] = 1;
		}
		else {
			yn[i] = 0;
		}
	}

	int ans = 0;
	rep(i, N) {
		if (i == 0) {
			ans = yn[i];
		}
		else {
			if (yn[i] == yn[i - 1]) {
				if (!yn[i - 1]) {
					ans++;
					ans %= 2;
				}
			}
			else {
				if (yn[i - 1]) {
					ans++;
					ans %= 2;
				}
			}
		}

		if (ans) {
			YES;
		}
		else {
			NO;
		}
	}
}