public class Miles {
    public static double FEET_PER_MILE = 5280.0;
    
    public static void main(String[] args) {
	feetToMiles(29035.0);    // the height of mount everest
	milesToFeet(26.2);     // the length of a marathon
    }

    // converts the given number of feet into miles
    public static void feetToMiles(double feet) {
	double miles;

	miles = feet / FEET_PER_MILE;
	System.out.println("miles: " + miles);
    }

    // converts the given number of miles into feet
    public static void milesToFeet(double miles) {
	double feet;

	feet = miles * FEET_PER_MILE;
	System.out.println("feet: " + feet);
    }
}