import sys
sys.setrecursionlimit(10**7)
from functools import lru_cache
@lru_cache(maxsize=None)
def calc(i,x):
    if i==0:
        return S[0]
    elif i==1:
        if x==S[0]:
            return "Yes"
        else:
            return "No"
    else:
        if S[i]==x:
            return calc(i-1,"Yes")
        else:
            return calc(i-1,"No")


N=int(input())
S=[input() for i in range(N)]

for i in range(N):
    print(calc(i,S[i]))