n=int(input())
e=[[] for i in range(n)]
d={}
for i in range(n):
	a,b=map(int,input().split())
	a-=1
	b-=1
	e[a]+=[b]
	e[b]+=[a]
	d[(a,b)]=i
v=[0]*n
g=[0]*n
v[0]=1
q=[0]
o=[]
while len(q)>0:
  s=q[-1]
  while g[s]<len(e[s]):
    t=e[s][g[s]]
    if v[t]==0:
      break
    elif v[t]<v[s]-1:
      o=q[q.index(t):]
      break
    g[s]+=1
  if len(o)!=0:
    break
  if g[s]<len(e[s]):
    g[s]+=1
    v[t]=v[s]+1
    q+=[t]
  else:
    v[s]=0
    q.pop()
ans=["->"]*n
for i in range(len(o)):
  s=o[i-1]
  t=o[i]
  if s>t:
    ans[d[(t,s)]]="<-"
v=[0]*n
q=[]
for s in o:
  v[s]=1
  q+=[s]
for s in q:
  for t in e[s]:
    if v[t]==0:
      if s<t:
        ans[d[(s,t)]]="<-"
      q+=[t]
print(*ans,sep="\n")