
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
Let $M=\{1, 3, 5, 7, 9\}$ and $N=\{2, 4, 6, 8\}$. Define the set $M \oplus N = \{(a, b) | a = a_1 + a_2 + \ldots + a_m, b = b_1 + b_2 + \ldots + b_n\}$. Find all elements of the set $M \oplus N$.

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