Problem Statement

Given is a three-digit integer N. Does N contain the digit 7?
If so, print Yes; otherwise, print No.

Input

Input is given from Standard Input in the following format:
N

Output

If N contains the digit 7, print Yes; otherwise, print No.

Constraints

• $100 \leq N \leq 999$

Sample Input 1

117

Sample Output 1

Yes

117 contains 7 as its last digit.

Sample Input 2

123

Sample Output 2

No

123 does not contain the digit 7.

Sample Input 3

777

Sample Output 3

Yes

见题面 Input 部分

见题面 Output 部分