
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
There are two sequences of numbers: 
1. \( 1, 3, 5, 7, \cdots, 2013, 2015, 2017 \);
2. \( 1, 4, 7, 10, \cdots, 2011, 2014, 2017 \).

The number of numbers that appear in both sequences is $\qquad$.

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