
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
Each letter represents a non-zero digit. What is the value of $s?$ \begin{align*}
a + b &= x \\
x + c &= s \\
s + a &= z \\
b + c + z &= 16
\end{align*}

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