q=int(input())
c=[0]*q
def check(s,tt):
	b=0
	for i in range(tt):
		if s[i]==0:
			b+=1
			c[b]=0
		elif s[i]==2:
			if c[b]==0:
				return False
			b-=1
		else:
			if c[b]==1:
				return False
			c[b]=1
	return b==0

ss=[0]*q
y=0
for _ in range(q):
	t=input()
	if t[0]=="1":
		ss[y]="(|)".index(t[2])
		y+=1
	else:
		y-=1
	print("Yes" if check(ss,y) else "No")

print()