n = int(input())
xor = 0
P = [input() for i in range(n)]
xor = 1 if P[0] == "Yes" else 0

print("Yes" if xor else "No")
for i in range(1,n):
    nex = 1 if P[i] == "Yes" else 0

    xor = int(xor == nex)

    print("Yes" if xor else "No")