
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
Two stacks of logs are placed side by side. The first stack has 15 logs on the bottom row, decreasing by one log in each successive row until there are four logs at the top. The second stack starts with 5 logs at the bottom and increases by one log in each successive row up to 10 logs at the top. How many logs are in total in both stacks?

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