#include <bits/stdc++.h>
using namespace std;
vector<pair<string, string>> v;
pair<string, string> p;
string s, a, b, c, d, e;
bool bomba;
int main()
{
    while (cin >> a >> b >> c >> d >> e)
    {
        a += " ";
        d += " ";
        a += b;
        d += e;
        p = make_pair(a, d);
        v.push_back(p);
    }
    sort(v.begin(), v.end());
    int j = 0;
    for (int i = 1 ; i < v.size() ; i++)
    {
        if (v[j].second >= v[i].first)
            v[j].second = max(v[i].second, v[j].second);
        else
        {
            cout << v[j].first << " - " << v[j].second << endl;
            j = i;
        }
    }
    cout << v[j].first << " - " << v[j].second << endl;
}