package week_4;
import java.util.*;
public class SecondExam {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
SecondExam.result(sc.nextInt(), sc.nextInt());
}
public static void result(int x, int y) {// x = 100, y = 600
ArrayList<Integer> al = new ArrayList<Integer>();
for (int i = x + 1; i < y; i++) {// 101~ 599
String ti = String.valueOf(i);// ti = 101
for (int j = 0; j < ti.length(); j++) {// 3
if (j == ti.length() - 1) {
al.add(i);
break;
} else if (Character.compare(ti.charAt(j), ti.charAt(j + 1)) >= 0) {
break;
}
}
}
for (int i = 0; i < al.size(); i++) {
System.out.print(al.get(i) + " ");
}
System.out.println();
System.out.println("갯수:" + al.size());
}
}