
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
A curious archaeologist holds a game where participants guess the age of a recently discovered fossil based on clues. The age of the fossil consists of the digits 1, 1, 1, 4, 8, and 9 with the condition that the age must end with an even digit. How many possible ages are there for the fossil?

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