Knock knock

Knock knock Is An Esoteric programming Language created By User:Buckets in 2020.

Commands	Instructions
Knock!	Go left If the Command to The right is knock!, Else go downwards.
Knock	Go downwards Once.
knock	Go Upwards Once.
knock!	Go right If The command To the Left Is Knock else, Go down Once.
Knock knock!	Start The program or Start of a Joke.
Who's there?	Add how many Knocks On the door The to The value From the start To the end of The Current Joke.
Who's There?	Subtract How many Knocks on The Door the To the Value to The start of This Joke and To here.
who's there?	Set the value To The Input Value.
m, who?	If the Value is m, ignore All commands Until another Joke is Formed.
n, Who?	Go to Line n.
o	Noop.
p	Prints p.
q!	Prints the Value.

The Restriction is that it is Structured as A knock-knock Joke.

Cat Program:

Knock knock! Knock
Knock Knock Knock! knock!
Knock Knock! knock!
who's there?
AB!
AB!, Who?
No, it's worse!, it's a wasp!