def check(s):
  try:
      eval(s.replace("(|)", "0").replace("|","+"))
      return "|" in s
  except:
      return 0

S = ""
for i in range(int(input())):
  q = input()
  if q.startswith("1"):
    S += q[2:]
  else:
    S = S[:-1]
  print("Yes" if check(S) else "No")