#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
typedef pair<int, int> PII;
using ll = long long;
using ULL = unsigned long long;
const int N = 1e7 + 5;

int n;

bool check(int n) {
    string s = to_string(n);
    string a = s;
    reverse(s.begin(),s.end());
    if (s == a) return true;
    else return false;
}

int getsum(int n) {
    ll ans = 0;
    while (n) {
        auto x = n%10;
        ans += x;
        n /= 10;
    }
    return ans;
}

inline void solve() {
    cin >> n;
    for (int i = 10000; i <= 999999; i++) {
        if (check(i) && getsum(i) == n) {
            cout << i << endl;
        }
    }
}

int main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int _ = 1;
    //int _; cin >> _;
    while (_--) solve();
    return 0;
}