q=int(input())
def check(s):
	q=0
	for i in range(len(s)):
		if s[i]=="(":
			q<<=1
		if s[i]==")":
			if q&1==0:
				return False
			q>>=1
		if s[i]=="|":
			if q&1==1:
				return False
			q|=1
	return q==0
ss=""
for _ in range(q):
	t=input().split()
	if t=="1":
		ss+=t[1]
	elif t=="2":
		ss=ss[:-1]
	print("Yes" if check(ss) else "No")