#include <iostream>
#include <queue>
#include <vector>
using namespace std;

int main()
{
    vector<int> all_palindromes;
    for(int i = 0; i <= 99999; i++) {
        int pom = i;
        vector<int> v;
        while(pom > 0) {
            v.push_back(pom % 10);
            pom /= 10;
        }
        bool is_palindrom = true;
        for(int j = 0; j < v.size() / 2; j++) {
            if(v[j] != v[v.size() - j - 1]) {
                is_palindrom = false;
                break;
            }
        }
        
        if(is_palindrom == true) {
            all_palindromes.push_back(i);
        }
        
    }
    for(int i = 0; i < all_palindromes.size(); i++) {
        cout << all_palindromes[i] << " ";
    }
    int S, E;
    cin >> S >> E;
    queue<int> q;
    q.push(S);
    q.push(0);
    return 0;
}
// 1331
// {1, 3, 3, 1}
//  0        3

// 4 - 0 - 1