
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
A young man allocates his monthly salary in the following way: half of his salary is deposited in the bank, half of the remaining amount minus 300 yuan is used to pay off the mortgage, half of the remaining amount plus 300 yuan is used for meal expenses, and he is left with 800 yuan. What is his monthly salary?

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