import sys
input = sys.stdin.readline
N = int(input())
P = [True if input().strip()=="Yes" else False for _ in range(N)]
#print(P)
ans = [P[0]]
for i in range(1, N):
    ans.append(ans[-1]==P[i])
#print(ans)
for a in ans:
    print("Yes" if a else "No")