求助高手
Problem DescriptionGiven an integer N(0 ≤ N ≤ 10000), your task is to calculate N!
Input
One N in one line, process to the end of file.
Output
For each N, output N! in one line.
Sample Input
1
2
3
Sample Output
1
2
6
算法我会，可是当N很大时用一般的数据类型都不能存储N！，这时我该怎么办呢？？
