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

public class Solution {

public static void main(String[] args) {

    Scanner scanner=new Scanner(System.in);
    String A = scanner.nextLine();
    String B = scanner.nextLine();
    int totalLength = A.length() + B.length();
    System.out.println(totalLength);
    if (A.compareTo(B) > 0) {
        System.out.println("Yes");
    } else {
        System.out.println("No");
    }
    String capitalizedA = A.substring(0, 1).toUpperCase() + A.substring(1);
    String capitalizedB = B.substring(0, 1).toUpperCase() + B.substring(1);
    System.out.println(capitalizedA + " " + capitalizedB);
}

}