import java.util.Scanner;

public class Assignment2
{

	public static void main (String[] args)
	{
		usernamecheck ();
	}


	public static void usernamecheck()
	{
	Scanner keyboard = new Scanner(System.in);
	System.out.print("Please enter your username: ");
	String username = keyboard.nextLine();

		if(username.equalsIgnoreCase("Administrator"))
		{
			passwordcheck ();
		}
        else
        {
			System.out.println("Username Incorrect");
			System.out.println("Program terminated");
			System.exit(0);
		}
	}

	public static void passwordcheck()
	{
		Scanner keyboard = new Scanner(System.in);
		System.out.print("Please enter your password: ");
		String password = keyboard.nextLine();

		if(password.equals("ThisIsABadPassword"))
		{
			System.out.print("Welcome back Administrator!");
			System.out.println();
			gasmileage ();
		}
        else
        {
			System.out.println("Password Incorrect");
			System.out.println("Program terminated");
			System.exit(0);
		}
	}

	public static void gasmileage()
	{
		Scanner keyboard = new Scanner(System.in);
		System.out.println();
		System.out.print("How many miles have you travelled since your last fill up? ");
		double miles = keyboard.nextDouble();
		System.out.print("How many gallons did you put in? ");
		double gallons = keyboard.nextDouble();
		calcmileage (miles,gallons);
	}

	public static void calcmileage (double miles,double gallons)
	{
		double mileage = (miles / gallons);
		output (mileage);
	}

	public static void output (double mileage)
	{
		if(mileage > 50)
		{
			System.out.println("Wow that’s crazy!");
		}
		else if (mileage > 30)
		{
			System.out.println("Eh, I Guess That's Pretty Good.");
		}
		else if (mileage > 15)
		{
			System.out.println("Man I really hope gas prices go down.");
		}
		else
		{
			System.out.println("Wow dude, you need to get a new car...");
		}
	}
}