using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            var dic = new SortedDictionary<string, int>();
            string str="";
            bool flag = true;
            do
            {
                str = Console.ReadLine();
                if (str == "End of season") break;
                string[] arrStr = str.Split('-').ToArray();
                if (dic.Count == 0) { dic.Add(arrStr[0].Trim(), int.Parse(arrStr[1].Trim())); continue; }
                foreach (var d in dic)
                { if (d.Key == arrStr[0].Trim())
                    //     dic.ContainsKey(arrStr[0]))
                    { dic[arrStr[0].Trim()] += int.Parse(arrStr[1].Trim()); flag = false; break; }
                }
                if(flag==true)
                    { dic.Add(arrStr[0].Trim(), int.Parse(arrStr[1].Trim()));}
                else { flag = true; }
            } while (true);
            foreach(var d in dic)
            {
                Console.WriteLine(d.Key + "->" + d.Value);
            }

        }
    }
}