http://acm.hdu.edu.cn/showproblem.php?pid=2117
Problem Description
Now give you two integers n m, you just tell me the m-th number after radix point in 1/n,for example n=4,the first numble after point is 2,the second is 5,and all 0 followed.

Input
Each line of input will contain a pair of integers for n and m(1<=n<=10^7,1<=m<=10^5).
Output
For each line of input, your program should print a numble on a line,according to the above rules.

Sample Input
4 2
5 7
123 123

Sample Output
5
0
8

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