
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
In the expression

$$
(* *+*)(* *+*)=* * * *
$$

insert digits in place of the asterisks such that the equality holds true and no more than four different digits are used. (A number cannot start with zero).

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