题解 | #回文对称数#

import java.util.*;

public class Main{
    public static void main(String[] args){
            Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
        int n = sc.nextInt();
         int sum = 0;
            int count = 0;
            for(int i =1; i <= n; i++){
               StringBuilder sb = new StringBuilder();
                sb.append(i);
                String s = "" + i;
              if(s.equals(sb.reverse().toString())){
                     System.out.println(i);}
            }
        } 
    }
}