#include using namespace std; typedef long long ll; typedef long double ld; typedef pair Pii; typedef pair Pil; typedef pair Pll; typedef pair Pli; typedef vector> Mat; #define fi first #define se second const ll MOD = 1e9 + 7; const ll MOD2 = 998244353; const ll MOD3 = 1812447359; const ll INF = 1ll << 62; const double PI = 2 * asin(1); void yes() { printf("yes\n"); } void no() { printf("no\n"); } void Yes() { printf("Yes\n"); } void No() { printf("No\n"); } void YES() { printf("YES\n"); } void NO() { printf("NO\n"); } int n, a[int(2e5 + 5)], b[int(2e5 + 5)]; set graph[int(2e5 + 5)]; int rest[int(2e5 + 5)]; string ans[int(2e5 + 5)]; void solve(int start) { queue que; que.push(start); while (!que.empty()) { int now = que.front(); que.pop(); for (Pii next : graph[now]) { if (ans[next.second] != "") { continue; } if (now == a[next.second]) { ans[next.second] = "->"; } else { ans[next.second] = "<-"; } que.push(next.first); break; } } return; } int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i] >> b[i]; rest[a[i]]++; rest[b[i]]++; graph[a[i]].insert({b[i], i}); graph[b[i]].insert({a[i], i}); } queue que; for (int i = 1; i <= n; i++) { if (rest[i] == 1) { que.push(i); } } while (!que.empty()) { int q = que.front(); que.pop(); for (Pii next : graph[q]) { int idx = next.second; if (a[idx] == q) { ans[idx] = "->"; } else { ans[idx] = "<-"; } rest[next.first]--; graph[next.first].erase({q, idx}); if (rest[next.first] == 1) { que.push(next.first); } } } for (int i = 1; i <= n; i++) { if (ans[i] == "") { solve(i); } cout << ans[i] << endl; } return 0; }