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Bell soni $B_N \bmod P$ | HackNow
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Problem
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Bell soni $B_N \bmod P$
lock
UZ only
Oson
100 points
5 s
256 MB
Input format
Output format
Constraints
Examples
1
1
Example #1
Input
4 1000000007
Output
15
Solution editor
Python 3
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Language
PYTHON
UTF-8
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4 spaces
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+
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