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858A1100· newbie1s256 MB⌨ stdin/stdout

#brute force #math #number theory

Examples

Sample 1of 4

Input

375 4

Output

Sample 2of 4

Input

10000 1

Output

Sample 3of 4

Input

38101 0

Output

Sample 4of 4

Input

123456789 8

Output

12345678900000000

858A.cpp

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Ln 11·137 BGNU C++20 (64)