Msgbox + $Variable

[Jime 0]

How do I set a $var with msg box?

such as...

$var = 1

$var = 2

$var = 3

by simply typing "1" in the message box to set the $var = 1

[buzz44 1]

$var = InputBox("Hello","Enter something")
Msgbox(0,"Test","$var =" & $var)