시간 제한 메모리 제한 제출 정답 맞은 사람 정답 비율
1 초 128 MB 29 9 7 41.176%

문제

The factorial function, n! is defined thus for n a non-negative integer:

0! = 1
n! = n * (n-1)!   (n > 0)

We say that a divides b if there exists an integer k such that

k*a = b

입력

The input to your program consists of several lines, each containing two non-negative integers, n and m, both less than 2^31.

출력

For each input line, output a line stating whether or not m divides n!, in the format shown below.

예제 입력

6 9
6 27
20 10000
20 100000
1000 1009

예제 출력

9 divides 6!
27 does not divide 6!
10000 divides 20!
100000 does not divide 20!
1009 does not divide 1000!

힌트