#include <map>
#include <string>
using namespace std;

char toDigit(char c) {
    if (c >= '0' && c <= '9') return c;
    if (c >= 'a' && c <= 'z') c -= 32;
    if (c <= 'C') return '2';
    if (c <= 'F') return '3';
    if (c <= 'I') return '4';
    if (c <= 'L') return '5';
    if (c <= 'O') return '6';
    if (c <= 'S') return '7';
    if (c <= 'V') return '8';
    return '9';
}

int main() {
    int n;
    cin >> n;
    map<string, int> cnt;
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        string num = "";
        for (char c : s) {
            if (c == '-') continue;
            num += toDigit(c);
        }
        string stdFmt = num.substr(0, 3) + "-" + num.substr(3, 4);
        cnt[stdFmt]++;
    }
    bool hasDup = false;
    for (auto& p : cnt) {
        if (p.second > 1) {
            cout << p.first << " " << p.second << endl;
            hasDup = true;
        }
    }
    if (!hasDup) {
        cout << "No duplicates." << endl;
    }
    return 0;
}