N! HDU

Given an integer N(0 ≤ N ≤ 10000), your task is to calculate N! 

InputOne N in one line, process to the end of file. 
OutputFor each N, output N! in one line. 
Sample Input

1
2
3

Sample Output

1
2
6
大数阶乘  java大法好+1

import java.util.*;
import java.math.*;
public class Main {
 public static BigInteger TM;
 public static void main(String[] args){
  Scanner sc=new Scanner(System.in);
  while(sc.hasNext()){
   int n=sc.nextInt();
   TM=BigInteger.ONE;
   for(int i=1;i<=n;i++){
    TM=TM.multiply(BigInteger.valueOf(i));
   }
   System.out.println(TM);
  }
  
 }
}