using System;

​

public class Program

{

    public static void Main()

    {

        string[, ] airports =

        {

            {"BCN", "Barcelona International"},

            {"DUB", "Dublin"},

            {"LIS", "Lisbon"},

            {"LHR", "London Heathrow"},

            {"CDG", "Paris, Charles De Gaulle"},

            {"PRG", "Prague"},

            {"RKV", "Reykjavik"},

            {"FCO", "Rome, Fiumicino"}

        };

        Console.WriteLine("Please enter an airport code");

        string input = Console.ReadLine();

        string airport = "";

        for (int i = 0; i < 8; i++)

        {

            if (airports[i, 0] == input)

            {

                airport = airports[i, 1];

            }

        }

​

        if (airport == "")

        {

            Console.WriteLine("Airport not found");

        }

        else

        {

            Console.WriteLine(airport);

        }

    }

}