import java.util.Scanner;
 
public class DistanceConverter {
    public static void main(String[] args) {
        System.out.print("Enter distance in miles:");
        Scanner s = new Scanner(System.in);
 
        double distanceInMiles = s.nextDouble();
 
        System.out.println(distanceInMiles + " miles = " + milesTokm(distanceInMiles) + " km");
 
        System.out.print("Enter distance in km:");
        double distanceInKm = s.nextDouble();
 
        System.out.println(distanceInKm + " km = " + kmTomiles(distanceInKm) + " miles");
        s.close();
 
    }
 
    private static double milesTokm(double distanceInMiles) {
        return distanceInMiles * 1.60934;
    }
 
    private static double kmTomiles(double distanceInKm) {
        return distanceInKm * 0.621371;
    }
}
