
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
Five friends were comparing how much scrap iron they brought to the collection. On average, it was $55 \mathrm{~kg}$, but Ivan brought only $43 \mathrm{~kg}$.

What is the average amount of iron brought without Ivan?

(Note: By how many kilograms does Ivan's contribution differ from the average?)

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