/**
 * Plexes
 */
plex Terminal {
  nat handle;
}

/**
 * Main function
 */
function main() {
    pln(fib(35) as str);
}

/**
 * Recursively calculate fibonacci
 */
function fib(int n) int {
  if (n < 2) return n;
  return fib(n - 2) + fib(n - 1);
}

/**
 * Print with a newline
 */
function pln(str message) {
    Terminal term = open("/dev/term/0", 0);
    term.write(message);
    term.write("\n");
}