from collections import *
import sys
import heapq
import bisect
import itertools

dxdy1 = ((0, 1), (0, -1), (1, 0), (-1, 0))
dxdy2 = ((0, 1), (0, -1), (1, 0), (-1, 0), (1, 1), (-1, -1), (1, -1), (-1, 1))
dxdy3 = ((0, 1), (1, 0))
dxdy4 = ((1, 1), (1, -1), (-1, 1), (-1, -1))
INF = float("inf")
MOD = 998244353
mod = 998244353
MOD2 = 10**9 + 7
mod2 = 10**9 + 7
# memo : len([a,b,...,z])==26

input = lambda: sys.stdin.readline().rstrip()
mi = lambda: map(int, input().split())
li = lambda: list(mi())

N = int(input())
P = [input() == "Yes" for _ in range(N)]
ans = []
tmp = P[N - 1]
for i in range(N - 2, -1, -1):
    if tmp == P[i]:
        tmp = True
    else:
        tmp = False
# print(tmp)
ans.append(tmp)
for i in range(N - 2, -1, -1):
    rev = False
    if P[i]:
        if P[i] != P[i + 1]:
            rev = True
    else:
        if P[i] == P[i + 1]:
            rev = True
    if rev:
        ans.append(ans[-1] ^ True)
    else:
        ans.append(ans[-1])
ans.reverse()
for a in ans:
    if a:
        print("Yes")
    else:
        print("No")