import javax.swing.JOptionPane;

 public class FrostTemperature {

     public static void main(String[] args){

         double twc,ta,v;

         String number;

         number = JOptionPane.showInputDialog(null,"Enter the temperature in Fahrenheit between -58F and 41F");

         ta = Double.parseDouble(number);

         number = JOptionPane.showInputDialog(null,"Enter the wind speed (>= 2) in miles per hour:");

         v = Double.parseDouble(number);

         twc = 35.74 + 0.6215*ta - 35.75*Math.pow(v,0.16) + 0.4275*ta*Math.pow(v, 0.16);

         int messageType=JOptionPane.INFORMATION_MESSAGE;

         String message="The wind chill index is " + twc;

         JOptionPane.showMessageDialog(null,message,"result",messageType);

     }

 }