q=int(input()) def check(s): q=0 b=0 for c in s: if c=="(": q<<=1 b+=1 if c==")": if q&1==0: return False q>>=1 b-=1 if c=="|": if q&1==1: return False q|=1 return q==0 and 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")