Problem Y: 【循环初步】计算n的阶乘

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:475 Solved:107

Description

试题描述

  计算并输出:N!(读作n的阶乘)
  1*2*3*..*n(计算结果不超出整数范围)

Input

n

Output

1*2*3*..*n的结果

Sample Input Copy

3

Sample Output Copy

6

Source/Category