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 Fortran (GNU Fortran 9.2.1) (judge verdict: Accepted)

program am
implicit none
character(3)::S
integer::i
logical::check=.false.
read*,S
do i=1,len_trim(S)
    if(S(i:i)=="7")check=.true.
end do
print"(A)",trim(merge("Yes","No ",check))
end program am