#include <stdio.h>

#define LOWER 0 /* lower limit of table */
#define UPPER 300 /* upper limit */
#define STEP 20 /* step size */

int main() { /* Fahrenheit-Celsius table */
	int fahr;

	for (fahr = LOWER; fahr <= UPPER; fahr = fahr + STEP)
		printf("%4d %6.1f\n", fahr, (5.0/9.0)*(fahr-32));
}