
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
Xiaoqiang, Feifei, and Xiaojing each have a certain number of books. If Xiaoqiang lends 20 books to Feifei, Feifei lends 15 books to Xiaojing, and Xiaojing lends 10 books to Xiaoqiang, they each have 35 books. How many books did Xiaoqiang, Feifei, and Xiaojing originally have?

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