
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
There are 4 floors, and each floor has two staircases, one on the east and one on the west, allowing for movement in two directions. Calculate the total number of ways to go from the first floor to the fourth floor.

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