题目描述
The factorial function, n! is defined as follows for all non-negative integers n:
0! = 1
n! = n x (n – 1)! (n > 0)
We say that a divides b if there exists an integer k such that
k x a = b
输入
The input to your program consists of several lines, each containing two non-negative integers, n and m, both less than 231.
输出
For each input line, output a line stating whether or not m divides n!, in the format shown below.
样例输入
6 9
6 27
20 10000
20 100000
1000 1009
样例输出
9 divides 6!
27 does not divide 6!
10000 divides 20!
100000 does not divide 20!
1009 does not divide 1000!
参考代码
暂无
解析
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