
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
The integers  $a$ ,  $b$ ,  $c$  and  $d$  are such that  $a$  and  $b$  are relatively prime,  $d\leq 2022$  and  $a+b+c+d = ac + bd = 0$ . Determine the largest possible value of  $d$ ,

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