题目描述
Guys don’t misinterpret this it is three only.
-----Input:-----
- First line will contain an integer $X$.
-----Output:-----
A single line containing the answer to the problem modulo 1000000007.
-----Constraints-----
- $1 \leq X < 10^5$
-----Sample Input 1:-----
1
-----Sample Output 1:-----
3
-----Sample Input 2:-----
2
-----Sample Output 2:-----
14
输入格式
见题面
输出格式
见题面
样例输入
['1']
样例输出
['3']