
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
Three people, Jia, Yi, and Bing, participated in a competition and they took the top 3 places (with no ties). Jia said: "I am first", Yi said: "I am not first", and Bing said: "I am not third". Only one of them is telling the truth. If the rankings of Jia, Yi, and Bing are respectively $A, B, C$, then the three-digit number $\overline{\mathrm{ABC}}=$ $\qquad$

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