Assignemnt #49 and Gender Game

Code

    
      ///name: nick cerdan
    ///period: 6
    ///program name: Gender Game
    ///file name: GenderGame.java
    ///date finished: 10/7/15
    
    import java.util.Scanner;
    
    public class GenderGame
    {
        public static void main(String[] args)
        {
            Scanner keyboard = new Scanner(System.in);
            
            String gender, fname, lname, marry;
            int age;        
            
            System.out.print("What is your gender? (M or F) ");
            gender = keyboard.next();
            System.out.print("First name: ");
            fname = keyboard.next();
            System.out.print("Last name: ");
            lname = keyboard.next();
            System.out.print("Age: ");
            age = keyboard.nextInt();
            System.out.println("");
            
            if (gender.equals("M"))
            {
                if (age < 20)
                {
                    System.out.println("Then i shall call you " + fname + " " + lname );
                }
                
                else
                {
                    System.out.println("Then i shall call you Mr. " + lname );
                }
            }
            
            else if (gender.equals("F"))
            {
                if (age < 20)
                {
                    System.out.println("then i shall call you " + fname + " " + lname );
                }
                
                else
                {
                    System.out.print("Are you married, " + fname + "? (y or n)");
                    marry = keyboard.next();
                    
                    if (marry.equals("y"))
                    {
                        System.out.println("Then I shall call you Mrs. " + lname );
                    }
                    
                    else
                    {
                        System.out.println("Then I shall call you Ms. " + lname );
                    }
                }
            }
        }
    }