List of available commands:

Dim Light, Bulb
^ must be the first line in the program

Bulb = Bulb + 1
^ equals <

Bulb = Bulb - 1
^ equals >

Light(Bulb) = Light(Bulb) + 1
^ equals +

Light(Bulb) = Light(Bulb) - 1
^ equals -

listBox1.Items.Add(Light(Bulb))
^ equals .

Light(Bulb) = InputBox("Wondrous user, please enlighten me with your knowledge.")
^ equals ,

On Error Come Back Here
^ equals [

On Light(Bulb) <> 0 Error
^ equals ]