cf/mirror

Fedya and Maths

CF
456B1200· pupil1s256 MB⌨ stdin/stdout
#math#number theory

Examples

Sample 1of 2
Input
4
Output
4
Sample 2of 2
Input
124356983594583453458888889
Output
0
456B.cpp
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Ln 11·137 BGNU C++20 (64)