
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
Suppose a farmer's cow gives birth to a heifer at the age of two. Subsequently, both the original cow and each heifer will produce one heifer per year starting at the age of two. Given this scenario, determine the total offspring of the original cow after 25 years.

The time is counted from the birth of the first cow, and no cattle are slaughtered within this period.

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