
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
Given two sets of numbers 3, 7, 11, 15, ... and 5, 8, 11, 14, ..., there are many common numbers between them. For example, 11 is their first common number. What is their 20th common number?

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