
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 four-digit whole number such that the first digit is odd, the second digit is even, the middle two digits sum to ten, and all four digits are different, calculate the total number of such numbers.

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