#include <bits/stdc++.h>
using namespace std;

int main() {
    // freopen("in.in", "r", stdin);
    string S;
    map<string, vector<string>> mp;
    vector<string> ans;
    while (getline(cin, S)) {
        istringstream ist(S);
        string st, bug;
        int ok = 0;
        while (ist >> st) {
            if (!ok)
                bug = st, ok = 1;
            else {
                if (st.back() == ',') {
                    mp[st.substr(0, st.length() - 1)].push_back(bug);
                    ans.push_back(st.substr(0, st.length() - 1));
                } else {
                    mp[st].push_back(bug), ans.push_back(st);
                }
            }
        }
    }
    sort(ans.begin(), ans.end(), [&](string x, string y) {
        int a = 0, b = 0;
        for (int i = x.length() - 1; i >= 3; i--) {
            a *= 10;
            a += x[i] - '0';
        }
        for (int i = y.length() - 1; i >= 3; i--) {
            b *= 10;
            b += y[i] - '0';
        }
        return a < b;
    });
    map<string, bool> vis;
    for (auto key : ans) {
        if (vis[key]) continue;
        for (int i = 0; i < key.length(); i++)
            if (key[i] != ',') cout << key[i];
        cout << ": ";
        for (int i = 0; i < mp[key].size(); i++) {
            for (int j = 0; j < mp[key][i].length(); j++) {
                if (mp[key][i][j] != ':') cout << mp[key][i][j];
            }
            if (i + 1 < mp[key].size())
                cout << ", ";
            else
                cout << '\n';
        }
        vis[key] = true;
    }
}