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Contest: Task: Related: TaskB

Score : $100$ points

Problem Statement

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 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