What a mess!

What a mess! is an esoteric programming language by User:A which is extremely messy. variables are defined like this:

var=value,

and the value can be both integer or string. This is the only command that is not messy here.

$variable,	prints the variable's value.
.variable,	inputs a value for the variable to take.(If is contains only numbers, it is an int. Else, it is a string.)
+ -	do math. For example: x=4, J=x-2, sets x as value 4 and J as value 2 (4-2). Also: a=honey, b=moon, c=a+b, sets a as value honey, b as value moon, and c as value honeymoon (word math only works with +).
condition?do when true:do when false,	start an if statement with the condition.
condition:do something,	starts a while loop with the given condition.

There are 2 conditions:

>	is greater than
<	is less than

And, two logic statements:

!	not
&	and

Example - Hello, World!

hello=Hello World,
$hello,