n = int(input())
adj = [set() for _ in range(n)]
ans = [""]*n
for i in range(n):
    a,b = map(int,input().split())
    adj[a-1].add((b-1,i,0))
    adj[b-1].add((a-1,i,1))
v = []
for i in range(n):
    if len(adj[i])==1: v.append(i)
while v:
    p = v.pop()
    c,i,f = adj[p].pop()
    ans[i] = "<-" if f else "->"
    adj[c].remove((p,i,f^1))
    if len(adj[c])==1: v.append(c)
    if not v:
        for i in range(n):
            if adj[i]: v.append(i); break
print(*ans,sep="\n")