#include <stdio.h>

/* print Fahrenheit-Celsius table
    for fahr = 0, 20, ..., 300 */ 
main()
{
  float fahr, celsius;
  int lower, upper, step;

  lower = 0;    /* lower limit of temperature table */ 
  upper = 300;  /* upper limit */ 
  step = 20;    /* step size */

  fahr = lower;
  printf("Fahrenheit-Celsius Table\n");
  while (fahr <= upper) {
    celsius = (5.0/9.0) * (fahr-32.0);
    printf("%3.0f %6.2f\n", fahr, celsius);
    fahr = fahr + step;
  }
}