
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 function f(x) defined on R satisfies: the graph of the function y=f(x-1) is symmetrical about the point (1,0), and f(x+2)=f(x) always holds when x≥0, and f(x)=e^x-1 when x∈[0,1], find the value of f(-2017)+f(2018)=____.

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