#abc235f. [abc235_f]Variety of Digits
[abc235_f]Variety of Digits
Problem Statement
Given are digits .
Find the sum, modulo , of all integers between and (inclusive) that contain all of when written in base without unnecessary leading zeros.
Constraints
- All values in input are integers.
Input
Input is given from Standard Input in the following format:
Output
Print the answer.
Sample Input 1
104
2
0 1
Sample Output 1
520
Between and , there are six integers that contain both 0
and 1
when written in base : .
The sum of them is .
Sample Input 2
999
4
1 2 3 4
Sample Output 2
0
Between and , no integer contains all of 1
, 2
, 3
, 4
.
Sample Input 3
1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
5
0 2 4 6 8
Sample Output 3
397365274
Be sure to find the sum modulo .