q=int(input())
d=[None]*65536
def check(s):
	b=0
	for c in s:
		if c=="(":
			b+=1
			d[b]==0
		if c==")":
			if d[b]==0:
				return False
			b-=1
		if c=="|":
			if d[b]==1:
				return False
			d[b]==1
	return b==0
ss=""
for _ in range(q):
	t=input().split()
	if t[0]=="1":
		ss+=t[1]
	elif t[0]=="2":
		ss=ss[:-1]
	print("Yes" if check(ss) else "No")