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.
-----Sample Input-----
117
-----Sample Output-----
Yes
117 contains 7 as its last digit.
输入格式
见题面
输出格式
见题面
样例输入
117
样例输出
Yes