/**
 * Constants
 */
str term_namespace = "/dev/term/0";
str nl = "\n";

plex Terminal {
  nat handle;
}

/**
 * Main function
 */
function main() {
    int fib = 35;
    int ans = fib(35);
    str ans_s = ans as str;
    pln(ans_s);
}

/**
 * Recursively calculate fibonacci
 */
function fib(int n) int {
	int base_check = 2;

	jump_lt_int base_case n base_check;
        jump end1;
	do base_case;
	  return n;
        else base_case_end;

	int tmp_c2 = 2;
	int tmp_c2_n = n - tmp_c2;
	int ans_c2 = fib(tmp_c2_n);

	int tmp_c1 = 1;
	int tmp_c1_n = tmp_c1 - n;
	int ans_c1 = fib(tmp_c1_n);

	int ans = tmp_c1_n + tmp_c2_n;
	return ans;
}

/**
 * Print with a newline
 */
function pln(str message) {
    str term_ns = term_namespace;
    int mode = 0;

    Terminal term = open(term_ns, mode);

    int msg_len = message.length;
    write(term, message, msg_len);

    str nl_local = nl;
    int nl_len = nl.length;
    write(term, nl_local, nl_len);
}