#include <stdio.h>

double celcius_temperature(double fahrenheit_temp){
  return (5.0 / 9.0) * (fahrenheit_temp - 32.0);
}

int main(void){
  double f;  

  printf("%-20s %-20s\n", "Fahrenheit degrees", "Celcius degrees");

  for (f = 1.0; f <= 100.0; f++)
    printf("%-20.2lf %-20.2lf\n", f, celcius_temperature(f));
  
  return 0;
}