
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
Alex starts with $90$ red tokens and $65$ blue tokens. There is a booth where Alex can give three red tokens and receive in return a silver token and two blue tokens and another booth where Alex can give four blue tokens and receive in return a silver token and two red tokens. Determine the number of silver tokens Alex will have at the end.

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