#D332. Lucky 7
Lucky 7
Lucky 7
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
inputFormat
Input
Input is given from Standard Input in the following format:
N
outputFormat
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
样例
777Yes