int fibonacci( void ) {
   n = 1000000;
   if ( n <= 1 ) return n;
   return fibonacci( n - 1 ) + fibonacci ( n - 2);
}

/*
int main(int argc, char *argv[]) {
    if (argc != 2) {
        printf("Usage: %s <number>\n", argv[0]);
        return 1;
    }
    int n = atoi(argv[1]);
    printf("%d\n", fibonacci(n));
    return 0;
}
*/