141. Digits of N!
MediumLogarithms
Print the number of decimal digits of n!.
Input format
A single integer n.
Output format
The number of digits.
Example 1
Input
5
Output
3
Example 2
Input
0
Output
1
Constraints
0 ≤ n ≤ 10⁶
Read input from standard input and print the answer to standard output. Your code is judged against 5 test cases, most of them hidden.
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