
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
Paolo and Sevilla, twins, are celebrating their birthday at a café with friends. If the total bill is divided equally among everyone, each person has to pay 12 euros. However, if the bill is divided equally among everyone except Paolo and Sevilla, each person has to pay 16 euros. How many friends attended Paolo and Sevilla's birthday celebration?

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