#include <stdio.h>

double fib(double x);
double fibi(double x);


int main() {
  double x;
  for (x = 1; x < 10; x++)
    printf("%g, ", fib(x));
  printf("\n");

  for (x = 1; x < 10; x++)
    printf("%g, ", fibi(x));
  printf("\n");
  
  return 0;
}