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

public class Solution {

public static void main(String[] args) {

    Scanner sc=new Scanner(System.in);
    String A=sc.next();
    String B=sc.next();
    /* Enter your code here. Print output to STDOUT. */
    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);



}

}