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 Java (OpenJDK 11.0.6) (judge verdict: Accepted)

import java.util.*;

public class Main {
   public static void main(final String[] args) {
      final Scanner sc = new Scanner(System.in);

      final int n = sc.nextInt();

      if (n % 10 == 7) {
         System.out.println("Yes");
      }
      else if ((n / 10) % 10 == 7) {
         System.out.println("Yes");
      }
      else if (n / 100 == 07){
         System.out.println("Yes");
      }
      else {
         System.out.println("No");
      }
   }
}