
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
Fifteen boys are standing in a circle. A ball is thrown clockwise around the circle. The first boy, Ben, starts with the ball, skips the next four boys and throws to the sixth boy, who then skips the next four boys and continues the pattern. How many total throws are necessary for the ball to return to Ben?

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