Problem1108--【入门】编程求1*2*3*...*n

1108: 【入门】编程求1*2*3*...*n

Time Limit: 1 Sec  Memory Limit: 16 MB
Submit: 3  Solved: 3
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Description

编程求1*2*3*...*n

Input

输入一行,只有一个整数n(1<=n<=10)

Output

输出只有一行(这意味着末尾有一个回车符号),包括1个整数。

Sample Input

5

Sample Output

120

Source/Category


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