Check Divisibility :
Difficulty Level : Medium
Submissions : 203
Asked In :
Marks :100
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Given N and a number, the task is to find the sum of n digit numbers that are divisible by the given number
Input
The first line of input contains a two integers N and X ($$$1 \le N \le 10 $$$) ($$$1 \le X \le 10^5$$$)
Output
For each output print the sum of N digit numbers that are divisible by the given number
Examples
Input
2 7
Output
728
Input
3 7
Output
70336
Note
For test case 1:
There are 13 n-digit numbers that are divisible by 7.
Numbers are: 14+21+28+35+42+49+56+63+70+77+84+91+98
