#include <stdio.h>

int main( )
{
  double celsius ;         /* number of feet deep        */
  double fahr ; /* number of fathoms deep */

  /* Get the temperature in Fahrenheit from the user */
  printf ("Enter the a temperature in fahrenheit : ") ;
  scanf ("%lf", &fahr) ;
  printf("Temperature entered is %f \n", fahr);

  /* Convert the fahrenheit to celsius */
  celsius = 5.0/9.0 * (fahr-32) ;

  /* Display the results */
  printf ("The temperature in Celsius is: \n") ;
  printf ("    %f degrees \n", celsius) ;

  return 0 ;
}