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

namespace ConsoleApplication13
{
    class Program
    {
        static void Main(string[] args)
        {

            var input = Console.ReadLine().Split(new char[] { ' ', '=', '>' }, StringSplitOptions.RemoveEmptyEntries).ToList();
            var dict1 = new Dictionary<string, string>();
            while (input[0] != "lambada")
            {
                if (input[0] == "dance")
                {
                    for (int i = 0; i < dict1.Count; i++)
                    {
                        var item = dict1.ElementAt(i);
                        var list2 = item.Value.Split('.').ToList();
                        dict1[item.Key] = list2[0] + "." + item.Value;
                    }
                }
                else
                {
                    dict1[input[0]] = input[1];
                }
                input = Console.ReadLine().Split(new char[] { ' ', '=', '>' }, StringSplitOptions.RemoveEmptyEntries).ToList();
            }
            foreach (var item in dict1)
            {
                Console.WriteLine(item.Key + " => " + item.Value);
            }
        }
    }
}