Problem:
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

Solution in Perl (5.26.1) (judge verdict: Accepted)

use strict;
use warnings;
use utf8;

sub any (&@) {
   my $f = shift;
   foreach ( @_ ) {
       return 1 if $f->();
   }
   return 0;
}

print((any { $_ eq '7' } split '',  <STDIN>) ? 'Yes' : 'No');