static void Main(string[] args) { Dictionary <string, string> myDictionary = new Dictionary <string, string>(); string CombinedEntry; Console.WriteLine("Enter number of entries: "); int numberOfEntries = Convert.ToInt32(Console.ReadLine()); for (int i = 0; i < numberOfEntries; i++) { Console.WriteLine("Enter name space number: "); CombinedEntry = Console.ReadLine(); string[] separatedWords = CombinedEntry.Split(' '); myDictionary.Add(separatedWords[0], separatedWords[1]); } string queryEntry; while ((queryEntry = Console.ReadLine()) != null) { try { Console.WriteLine("Enter query: "); queryEntry = Console.ReadLine(); Console.WriteLine(queryEntry + "=" + myDictionary[queryEntry]); } catch { Console.WriteLine("Not found"); } } }