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 AL = A.length();
        int BL = B.length();
        int sum = AL+BL;
        System.out.println(sum);
        int x = A.compareTo(B);
        if(x>0)
            System.out.println("Yes");
        else
            System.out.println("No");
        String temp1 = A.substring(0,1).toUpperCase()+A.substring(1);
        String temp2 = B.substring(0,1).toUpperCase()+B.substring(1);
        System.out.println(temp1+" "+temp2);
        
        
    }
}



