using System.Collections.Generic;
namespace PhoneBookSimpleArr
public class PhoneBookSimpleArr
static void Main(string[] args)
string[] nums = Console.ReadLine().Split(' ');
string[] names = Console.ReadLine().Split(' ');
Dictionary<string, string> dict = new Dictionary<string, string>();
string input = Console.ReadLine();
if (input.Equals("done"))
int enterNameIndex = Array.IndexOf(names, input);
Console.WriteLine("{0} -> {1}", input, nums[enterNameIndex]);