using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static string[] SList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => ReadLine()).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var s = SList(n);
        var ans = new int[n + 1];
        for (var i = 0; i < n; ++i) ans[i + 1] = ans[i] ^ (s[i] == "No" ? 1 : 0);
        WriteLine(string.Join("\n", ans.Skip(1).Select(f => f == 0 ? "Yes" : "No")));
    }
}