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: Wrong Answer)

program main
	implicit none
    integer::a,i,b
    character::s
    read(*,*) a
    s='f'
    do i=1,3
    	b=mod(a,10)
        b=b/10
        if(b==7)then
        	s='t'
        end if
    end do
    
    if (s=='t')then
    	write(*,*) 'Yes'
    else
    	write(*,*) 'No'
    end if
    stop
end program main