using System.Linq;
using System.Collections.Generic;
using System;

public class Hello
{
    public static void Main()
    {
        var d = new Dictionary<string, int>();
        var n = int.Parse(Console.ReadLine().Trim());
        for (int i = 0; i < n; i++) getDic(d);
            foreach (var x in d.OrderByDescending(x => x.Value).ThenBy(x => x.Key).Take(Math.Min(10,d.Count())))
                Console.WriteLine("{0} {1}", x.Key, x.Value);

    }
    public static void getDic(Dictionary<string, int> d)
    {
        Console.ReadLine().Trim();
        string[] line = Console.ReadLine().Trim().Split(' ');
        var m = int.Parse(line[0]);
        var s = int.Parse(line[1]);
        line = Console.ReadLine().Trim().Split(' ');
        for (int i = 0; i < m; i++)
        {
            var t = line[i];
            if (d.ContainsKey(t)) d[t] += s;
            else d[t] = s;
        }
    }
}