public static void Main()
Console.WriteLine("What's your first name?");
string firstName = Console.ReadLine();
Console.WriteLine("What's your last name?");
string lastName = Console.ReadLine();
Console.WriteLine("How old are you?");
var age = int.Parse(Console.ReadLine());
Console.WriteLine("Where do you live?");
string town = Console.ReadLine();
Console.WriteLine("You are {0} {1}, a {2}-years old person from {3}.",firstName,lastName,age,town);