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 length = A.length()+B.length();
    System.out.println(length);
    if(A.compareTo(B)>0 )
      System.out.println("Yes");
      else
      System.out.println("No");

    System.out.println(A.substring(0,1).toUpperCase()+A.substring(1)
    +" "+B.substring(0,1).toUpperCase()+B.substring(1));



}