#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  VVI to(n);
  vector<P> edges;
  rep(i, n) {
    int a, b;
    cin >> a >> b;
    a--, b--;
    to[a].emplace_back(b);
    to[b].emplace_back(a);
    edges.emplace_back(a, b);
  }
  vector<char> visited(n);
  VI st;
  VI cycle;
  auto dfs1 = [&](auto&& self, int u, int p) -> void {
    if (visited[u]) {
      cycle = VI(find(all(st), u), st.end());
      return;
    }
    visited[u] = true;
    st.emplace_back(u);
    for(int v: to[u]) if (v != p) {
      self(self, v, u);
      if (!cycle.empty()) return;
    }
    st.pop_back();
  };
  dfs1(dfs1, 0, -1);
  assert(cycle.size());
  vector<char> in_cycle(n);
  for(int v: cycle) {
    in_cycle[v] = true;
  }
  map<P, int> dir;
  auto add = [&](int u, int v) {
    assert(dir.count({min(u, v), max(u, v)}) == 0);
    if (u > v) dir[{v, u}] = 1;
    else dir[{u, v}] = 0;
  };
  rep(i, cycle.size()) {
    int u = cycle[i], v = cycle[(i + 1) % cycle.size()];
    add(u, v);
  }
  auto dfs2 = [&](auto&& self, int u, int p) -> void {
    for(int v: to[u]) if (v != p && !in_cycle[v]) {
      add(v, u);
      self(self, v, u);
    }
  };
  for(int r : cycle) dfs2(dfs2, r, -1);
  for(auto [u, v] : edges) {
    assert(dir.count({u, v}));
    int d = dir[{u, v}];
    cout << (d == 0 ? "->" : "<-") << '\n';
  }
}