#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
//using mint = modint1000000007;
//const int mod = 1000000007;
//using mint = modint998244353;
//const int mod = 998244353;
//const int INF = 1e9;
//const long long LINF = 1e18;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep2(i,l,r)for(int i=(l);i<(r);++i)
#define rrep(i, n) for (int i = (n-1); i >= 0; --i)
#define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i)
#define all(x) (x).begin(),(x).end()
#define allR(x) (x).rbegin(),(x).rend()
#define endl "\n"
#define P pair<int,int>
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
vector<int>to[200005];
vector<int>cyid;
bool dfs(int v, int c, int p = -1) {
	bool ret = false;
	if (v == c)ret = true;
	for (auto nv : to[v]) {
		if (p == nv) continue;
		if (dfs(nv, c, v)) {
			ret = true;
		}
	}
	if (ret)cyid.push_back(v);
	return ret;
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n; cin >> n;
	vector<P>ed(n);
	map<P, P>mp;
	rep(i, n) {
		int u, v; cin >> u >> v;
		u--, v--;
		ed[i] = { u,v };
		mp[{u, v}] = { i,1 };
		mp[{v, u}] = { i,-1 };
	}
	vector<int>ans(n, 0);
	set<int>st;
	{
		// サイクルを取得する
		dsu uf(n);
		rep(i, n) {
			if (uf.same(ed[i].first, ed[i].second)) {
				if (cyid.empty())dfs(ed[i].first, ed[i].second);
			}
			else {
				uf.merge(ed[i].first, ed[i].second);
			}
			to[ed[i].first].emplace_back(ed[i].second);
			to[ed[i].second].emplace_back(ed[i].first);
		}
		rep(i, cyid.size()) {
			st.insert(cyid[i]);
			//cout << mp[{cyid[i], cyid[(i + 1) % cyid.size()]}].first << " " << mp[{cyid[i], cyid[(i + 1) % cyid.size()]}].second << endl;
			ans[mp[{cyid[i], cyid[(i + 1) % cyid.size()]}].first] = mp[{cyid[i], cyid[(i + 1) % cyid.size()]}].second;
		}
	}
	queue<int>que;
	vector<int>cnt(n);
	rep(i, n) {
		cnt[i] = to[i].size();
		if (1 == to[i].size()) {
			que.push(i);
			cnt[i]--;
		}
	}
	while (!que.empty()) {
		int top = que.front();
		que.pop();
		if (st.count(top))break;
		rep(i, to[top].size()) {
			if (0 == cnt[to[top][i]])continue;
			cnt[to[top][i]]--;
			ans[mp[{to[top][i], top}].first] = mp[{to[top][i], top}].second;
			if (1 == cnt[to[top][i]]) {
				que.push(to[top][i]);
				cnt[to[top][i]] = 0;
			}
		}
	}
	rep(i, n) {
		if (1 == ans[i])cout << "<-" << endl;
		else if (-1 == ans[i])cout << "->" << endl;
		else return 1;
	}
	return 0;
}