import sys
input = sys.stdin.readline
from collections import deque
INF = float('inf')
sys.setrecursionlimit(10**6)


def main():
    N = int(input())
    AB = []
    g = [set() for _ in range(N)]
    for _ in range(N):
        a, b = map(int, input().split())
        a, b = a - 1, b - 1
        AB.append((a, b))
        g[a].add(b)
        g[b].add(a)

    depth = [INF] * N

    # トポロジカルソート風
    for i in range(N):
        if len(g[i]) == 1:
            que = deque([i])
            depth[i] = 0
            while que:
                u = que.popleft()
                for v in g[u]:
                    g[v].discard(u)
                    if len(g[v]) == 1:
                        que.append(v)
                        depth[v] = depth[u] + 1

    def dfs(u):
        is_loop[u] = True
        for v in g[u]:
            if depth[v] == INF:
                depth[v] = depth[u] + 1
                dfs(v)
    
    # 残った閉路を処理する
    is_loop = [False] * N
    for i in range(N):
        if depth[i] == INF:
            depth[i] = 1 << 18
            dfs(i)
    
    # 答え出力
    for a, b in AB:
        if is_loop[a] and is_loop[b]:
            if depth[b] - depth[a] == 1 or depth[a] - depth[b] > 1:
                print('->')
            else:
                print('<-')
        else:
            if depth[a] < depth[b]:
                print('->')
            else:
                print('<-')


main()