
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
Anna and Josef are a married couple with eleven offspring. The average age of their two children is 63 years, the average age of their four grandchildren is 35 years, and the average age of their five great-grandchildren is 4 years. Anna's age is three and a half times the average age of all eleven offspring. If they live to see it, in five years the average age of Anna and Josef will be exactly 100 years.

How old are Anna and Josef?

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