using System;

public class Program

{

    public static void Main()

    {

    Console.WriteLine("Hello!");

    Console.WriteLine("What is your name?");

    string name = Console.ReadLine();

    Console.WriteLine("What gender are you? (M/F)");

    string gender = Console.ReadLine();

    Console.WriteLine("What age are you?");

    int age = Convert.ToInt16(Console.ReadLine());

    if (gender == M);

    }

}