N=input()
a = [""]
result=[]

def judge(st):
	clone = st
	clone2 = clone
	clone2.replace("(|)", "")
	while(not clone == clone2):
		clone = clone2
		clone2.replace("(|)", "")
	
	if clone2 == "":
		return "Yes"
	else:
		return "No"
		

for i in range(N):
	query = input().split
	S = a.pop()
	if len(query) == 1:
		S += query[-1]
	else:
		S = S[:-1]
	result.append(judge(S))
	a.append(S)
	
for r in result:
	print(r)