
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
The circumference of a circle with center $O$ is divided into $18$ equal arcs, marked with letters $A$ through $R$. What is the number of degrees in the sum of the angles $x$ and $y$?
A) 75°
B) 80°
C) 90°
D) 120°
E) 150°

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