import java.util.Scanner;

public class Temperature2
{
  public static void main (String args[])
  {
    Scanner kb = new Scanner(System.in);
    double fahren;
    double celsius;

    System.out.print("Enter a temperature in Fahrenheit:");
    fahren = kb.nextDouble();
    celsius = fahToCel(fahren);
    System.out.println(celsius + "Celsius is " + fahren + " Fahrenheit");
  }

  public static double fahToCel(double f)
  {
    double retval;
    retval = (f-32) * 5.0 / 9.0;
    return retval;
  }
}