/*
 * Calculae Fibonacci numbers
 */

#include <stdio.h>

long fibonacci(long n) {
    if (n == 1) return 1;
    else if (n == 0) return 1;
    return( fibonacci(n-1) + fibonacci(n-2));
}

int main (void) {
    printf ("%ld   %ld   %ld\n", fibonacci(6), fibonacci(8), fibonacci(10));
    return 0;
}