q=int(input())
data=[(0,0,True) for _ in range(q+1)]
i=0
for _ in range(q):
	t=input()
	if t[0]=="1":
		a,b,c=data[i]
		i+=1
		t="(|)".index(t[2])
		if t==0:
			a<<=1
			b+=1
		elif t==1:
			if a&1==1:
				c=False
			a|=1
		else:
			if a&1==0:
				c=False
			a>>=1
			b-=1
		data[i]=(a,b,c)
	else:
		i-=1
	a,b,c=data[i]
	print("Yes" if a==0 and b==0 and c else "No")