
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
Uncle Fyodor makes sandwiches with sausage, and Matroskin and Sharik eat them. It is known that Matroskin ate three times more sandwiches than Sharik, Sharik ate 21 sandwiches less than Uncle Fyodor made, and Uncle Fyodor made twice as many sandwiches as Sharik and Matroskin ate together. How many sandwiches did Uncle Fyodor make in total?

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