
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 that the domain of $f(x)$ is $\mathbb{R}$, $f(1)=\frac{1}{4}$, and it satisfies the equation $4f(x)f(y) = f(x+y) + f(x-y)$, find the value of $f(2016)$.

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