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

namespace _628
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            Dictionary<string,int> tag = new Dictionary<string,int>();
            for (int i = 0; i < n; i++)
            {
                Console.ReadLine();
                int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
                string[] s = Console.ReadLine().Split();
                for (int j = 0; j < x[0]; j++)
                {
                    if (!tag.ContainsKey(s[j])) tag[s[j]] = 0;
                    tag[s[j]] += x[1];
                }
            }
            int count = 0;
            for (int i = n * 10 + 10; i >= 0; i--)
            {
                List<string> list = new List<string>();
                foreach (var item in tag)
                {
                    if (item.Value == i)
                    {
                        list.Add(item.Key);
                    }
                }
                string[] s = list.ToArray();
                Array.Sort(s);
                for (int j = 0; j < s.Count(); j++)
                {
                    Console.WriteLine(s[j] + " " + i);
                    count++;
                    if (count == 10) break;
                }
                if (count == 10) break;
            }
        }
    }
}