Can anyone Help me with this? I’m having a hard time coding

Instruction: Create a program that will ask the user which pencil to use in writing.
a. Graphite pencil. It can write a maximum of 50 characters.
b. Mechanical pencil. It can write a maximum of 30 characters before can be refilled.
c. Coloured pencil. It can write a maximum of 40 characters. The available colors are Red, Blue and Yellow.

1. The user will choose which pencil he wants to use.
Choose the pencil you want to use:
[1] Graphite pencil
[2] Mechanical pencil
[3] Blue Coloured pencil
[4] Red Coloured pencil
[5] Yellow Coloured pencil Choice:

2. The user will be asked repeatedly what to write until the he chooses to exit.

Enter the text to write or enter q to exit:
Note: The coloured pencil shall write the text like below.
BLUE: [blue] TEXT [/blue]
RED: [R]TEXT[/R]
YELLOW: [Y]TEXT[/Y]