
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
Sparky the Squirrel and Frankie the Fox are racing up a staircase that has a certain number of steps. Sparky jumps 3 steps at a time, while Frankie jumps 4 steps at a time. If it is known that Frankie takes 7 fewer jumps than Sparky to reach the top, find the sum of all possible numbers of steps this staircase can have.
A) 10
B) 12
C) 13
D) 14
E) 15

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