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 main
  
  implicit none
  character(3) :: n 
  integer :: i,j
  
  read(*,*) n 
   
  j = 0 
  do i = 1, 3
    if(n(i:i) == "7") j = 1
  end do
  if(j==1) then
    print*, "Yes"
  else
    print*, "No"
  end if
end program main