#include <stdio.h>
/* imprime la tabla Fahrenheit-Celsius */

#define LOWER 0
#define UPPER 300
#define STEP 20

main()
{
  int fahr;

  for( fahr=LOWER; fahr <= UPPER; fahr=fahr+STEP)
    printf("%3d %6.1f \n", fahr, (5.0/9.0)*(fahr-32));
}