
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
How many zeroes does the number \(50 \times 49 \times 48 \times \cdots \times 3 \times 2 \times 1\) end with?
(a) 8 ;
(b) 9 ;
(c) 10 ;
(d) 11 ;
(e) 12 .

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