题目描述
Given is a three-digit integer N. Does N contain the digit 7?
If so, print Yes; otherwise, print No.
Constraints
- $100 \leq N \leq 999$
Input
Input is given from Standard Input in the following format:
N
Output
If N contains the digit 7, print Yes; otherwise, print No.
Examples
Input
117
Output
Yes
Input
123
Output
No
Input
777
Output
Yes
输入格式
见题面
输出格式
见题面
样例输入
777
样例输出
Yes