public static void Main()
Console.WriteLine("Are you strong?");
Console.WriteLine("Are you fast?");
Console.WriteLine("What is your age?");
string strong = Console.ReadLine();
string fast = Console.ReadLine();
double age = double.Parse(Console.ReadLine());
if (strong == "yes" && fast == "yes" && age > 12) {
Console.WriteLine("You qualify to be a superhero!");
Console.WriteLine("Sorry, you do not qualify.");