What is the output of the following program?

StackPT stk

$1$

$=$

$$new ArrayStackPT

$($

$8$

$)$

$$:

StackPT stk

$2$

$=$

$$new ArrayStackPT

$($

$8$

$)$

:

StackPT stk

$3$

$=$

$$new ArrayStackPT

$($

$8$

$)$

;

StackPT stk

$4$

$=$

$$new ArrayStackPT

$($

$8$

$)$

:

QueuePT q

$1$

$=$

$$new ArrayQueuePT

$($

$8$

$)$

:

int

$$

$=$

$3$

$0$

;