phonebook

using System;

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

            string[] phoneNumbers = Console.ReadLine().Split(' ');
            string[] names = Console.ReadLine().Split(' ');
            string[] ownNames = new string[names.Length];
            var index = 0;
            int[] indexInNames = new int[names.Length];
            var run = true;
            while (run)
            {
                var input = Console.ReadLine();
                if (input == "done")
                {
                    break;//run = false;
                }
                for (int i = 0; i < names.Length; i++)
                {
                    //for (int y = 0; y < ownNames.Length; y++)
                    //{
                        if (names[i] == input/*ownNames[y]*/)
                        {
                            index = i; break;
                        }
                    //}
                }
                //for (int i = 0; i < indexInNames.Length; i++)
                //{
                    //if (indexInNames[i] != null)
                    //{
                        Console.WriteLine(names[index] + " -> " + phoneNumbers[index]);
                    //}
                //}
                //ownNames[index] = input;
                //index++;
            }
        }
    }
}