
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
We want to plant our tree seedlings in such a way that each row contains as many seedlings as there are rows. In our first attempt, 39 seedlings turned out to be surplus. If we increase the number of rows (and thus the number of trees in each row) by 1, we find that 50 seedlings are missing. How many tree seedlings do we have?

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