
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
In 2019, the average monthly rainfall in Hydroton was $50\text{ mm}$. In 2020, the average monthly rainfall in Hydroton was $5\text{ mm}$ more than in 2019. However, in 2021, the average monthly rainfall decreased by $3\text{ mm}$ from the 2020 level. Calculate the total amount of rainfall that fell in Hydroton from 2019 to 2021 inclusive.

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