#include "bits/stdc++.h"
using namespace std;
#define all(x) begin(x),end(x)
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#define debug(a) cerr << "(" << #a << ": " << a << ")\n";
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int mxN = 1e5+1, oo = 1e9;
int main() {
    int n; cin >> n;
    vector<vector<pair<int,int>>> adj(n);
    for(int i=0;i<n;++i) {
        int a,b; cin >> a >> b;
        --a,--b;
        adj[a].push_back({b,i});
        adj[b].push_back({a,-i-1});
    }
    int at = 0, from=-1;
    vector<bool> ans(n);
    while(at!=0 or from==-1) {
        
        for(auto [to,id] : adj[at]) {
            if(to!=from) {
                if(id>=0) ans[id]=1;
                from = at;
                at = to;
                break;
            } 

        }
    }
    for(auto b : ans) {
        if(b) cout << "->\n";
        else cout << "<-\n";
    }
}