#作者堀江
#会津大学オンラインジャッジ問0130Trainに合格したコード
def f(s):
xs=[" "]*70
l=r=p=30
xs[p]=s[0]
n=3
while n<len(s):
if s[n-1]==">":
p+=1
else:
p-=1
xs[p]=s[n]
l,r=min(l,p),max(p,r)
n+=3
print("".join(map(str,xs[l:r+1])))
n=int(input())
for i in range(n):
f(input())
I+S9nOiAheWggOaxnwoj5Lya5rSl5aSn5a2m44Kq44Oz44Op44Kk44Oz44K444Oj44OD44K45ZWPMDEzMFRyYWlu44Gr5ZCI5qC844GX44Gf44Kz44O844OJCgpkZWYgZihzKToKCXhzPVsiICJdKjcwCglsPXI9cD0zMAoJeHNbcF09c1swXQoJbj0zCgl3aGlsZSBuPGxlbihzKToKCQlpZiBzW24tMV09PSI+IjoKCQkJcCs9MQoJCWVsc2U6CgkJCXAtPTEKCQl4c1twXT1zW25dCgkJbCxyPW1pbihsLHApLG1heChwLHIpCgkJbis9MwoJcHJpbnQoIiIuam9pbihtYXAoc3RyLHhzW2w6cisxXSkpKQoKbj1pbnQoaW5wdXQoKSkKZm9yIGkgaW4gcmFuZ2Uobik6CglmKGlucHV0KCkp
NQphLSZndDtlLSZndDtjLSZndDtiLSZndDtkCmImbHQ7LWMmbHQ7LWEmbHQ7LWQmbHQ7LWUKYi0mZ3Q7YS0mZ3Q7YyZsdDstYS0mZ3Q7Yy0mZ3Q7ZCZsdDstYyZsdDstYSZsdDstYi0mZ3Q7YS0mZ3Q7Yy0mZ3Q7ZC0mZ3Q7ZSZsdDstZAphLSZndDtlJmx0Oy1hJmx0Oy1kLSZndDthLSZndDtlJmx0Oy1hJmx0Oy1kJmx0Oy1jLSZndDtkLSZndDthJmx0Oy1kJmx0Oy1jJmx0Oy1iLSZndDtjLSZndDtkJmx0Oy1jCmEtJmd0O2I=
5
a->e->c->b->d
b<-c<-a<-d<-e
b->a->c<-a->c->d<-c<-a<-b->a->c->d->e<-d
a->e<-a<-d->a->e<-a<-d<-c->d->a<-d<-c<-b->c->d<-c
a->b