/* package whatever; // don't place package name! */
 
import java.util.*;
class Main{
 
	static boolean check(int i){
		String s = String.valueOf(i);
		int a=0,b=s.length()-1;
		while(a<b){
			if(s.charAt(a)!=s.charAt(b)) return false;
			a++;b--;
		}
		return true;
	}
 
	public static void main(String[]args){
		Scanner sc =new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		List<Integer> list = new ArrayList<>();
		for(int i=n; i<=m ;i++){
			if(check(i) == true){
				list.add(i);
			}
		}
		StringBuilder sb = new StringBuilder();
		for(int i=0; i<list.size(); i++){
			sb.append(list.get(i));
			if(i<list.size()) sb.append(" ");
		}
		System.out.println(sb.toString());
	}
}

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