import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String a = scan.nextLine();
        String b = scan.nextLine();

        System.out.println(a.length() + b.length());

        if (a.compareTo(b) > 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }

        String aCapitalized = a.substring(0, 1).toUpperCase() + a.substring(1);
        String bCapitalized = b.substring(0, 1).toUpperCase() + b.substring(1);

        System.out.println(aCapitalized + " " + bCapitalized);
    }
}