func fib(n) {
    if (n <= 1) {
        return n;
    }
    //print("Current operation: " + (n - 1) + ":" + (n-2));
    return fib(n - 1) + fib(n - 2);
}

print("Fibonacci test:");
var fib_result = fib(30);

print("Result: " + fib_result);


print(10 / 0);