
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
Janez wants to make an  $m\times n$  grid (consisting of unit squares) using equal elements of the form  $\llcorner$ , where each leg of an element has the unit length. No two elements can overlap. For which values of  $m$  and  $n$  can Janez do the task?

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