
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Lion Alex decided to count the stripes on Marty the zebra (black and white stripes alternate). It turned out that there is one more black stripe than white stripes. Alex also noted that all white stripes are of the same width, while black stripes can be either wide or narrow, with the total number of white stripes being 7 more than the wide black stripes. How many narrow black stripes does Marty have in total?

Present the answer in LaTex format: \boxed{Your answer}
user