
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
Some of the digits in the following correct addition have been replaced by the letters \( P, Q, R, \) and \( S \), as shown.
What is the value of \( P+Q+R+S \)?
\[
\begin{array}{r}
P 45 \\
+\quad Q R \quad S \\
\hline
654
\end{array}
\]

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