100 atcoder#ABC162A. [ABC162A] Lucky 7

[ABC162A] Lucky 7

Score : 100100 points

Problem Statement

Given is a three-digit integer NN. Does NN contain the digit 77?

If so, print Yes; otherwise, print No.

Constraints

  • 100N999100 \leq N \leq 999

Input

Input is given from Standard Input in the following format:

NN

Output

If NN contains the digit 77, print Yes; otherwise, print No.

117
Yes

117117 contains 77 as its last digit.

123
No

123123 does not contain the digit 77.

777
Yes