from collections import deque, defaultdict

n = int(input())
C = [0 for _ in range(n)]
L = []
G = defaultdict(list)
for i in range(n):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    C[a] += 1
    C[b] += 1
    L.append((a, b))
    G[a].append((b, i))
    G[b].append((a, i))

Que = deque([i for i in range(n) if C[i] == 1])
ANS = [None for _ in range(n)]
while Que:
    ci = Que.popleft()
    C[ci] -= 1
    for ni, idx in G[ci]:
        C[ni] -= 1
        if C[ni] == 1:
            Que.append(ni)
        if ANS[idx] is None:
            if L[idx][0] == ci:
                ANS[idx] = '->'
            else:
                ANS[idx] = '<-'
for i in range(n):
    if C[i] == 2:
        Que = deque([i])
        while Que:
            ci = Que.popleft()
            if ci != i:
                C[ci] -= 1
            for ni, idx in G[ci]:
                if C[ni] == 0:
                    continue
                C[ni] -= 1
                if ANS[idx] is None:
                    Que.append(ni)
                    if L[idx][0] == ci:
                        ANS[idx] = '->'
                    else:
                        ANS[idx] = '<-'
                    break
        break
print(*ANS, sep='\n')