
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 a triangle $ABC$ with vertices $A(5,3)$, $B(1,6)$, and $D(3,3)$. The triangle is reflected first over the y-axis to form triangle $A'B'D'$, and then this new triangle is reflected over the x-axis to form triangle $A''B''D''$. Find the coordinates of point $D''$.

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