//################################################################
//
// MetricSystem.java
//
// This program converts km/s into miles/hour.  
//
// Hint: 1 mile = 5280ft, 1km = 1000m, 1m = 3.28ft
//
//################################################################
import java.util.Scanner;

public class MetricSystem
{
   public static void main (String[] args)
   {
		double kmPerSec, milesPerHour;
		
		Scanner scan = new Scanner(System.in);
		System.out.print("Please enter km/s : ");
		kmPerSec = scan.nextDouble();

      double milesPerSec = (kmPerSec*3.28*1000.0/5280.0); 		
		milesPerHour = milesPerSec*60.0*60.0;
		
		System.out.println("This is equal to " + (int) milesPerHour + " miles/hour" );
	}
}