/// :3
#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;

#include "bits/stdc++.h"

#define pb push_back
#define F first
#define S second
#define f(i, a, b)  for(int i = a; i < b; i++)
#define all(a)  a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(x) (int)(x).size()
#define mp(x,y) make_pair(x,y)
#define popCnt(x) (__builtin_popcountll(x))
#define int ll

using ll = long long;
using ii = pair<int, int>;
using ull = unsigned long long;

const int N = 3e5+5, LG = 18, MOD = (119 << 23) + 1;
const long double PI = acos(-1);
const long double EPS = 1e-7;
const int dx[] = {1,1,0,-1,-1,-1,0,1};
const int dy[] = {0,1,1,1,0,-1,-1,-1};
string rev(string s){reverse(all(s)); return s;}
ll getBiggestEven(ll x) {
    ll lo = 0, hi = 1000000000;
    while(lo < hi) {
        ll md = lo + (hi-lo+1)/2;
        if(stoll(to_string(md)+rev(to_string(md))) <= x)
            lo = md;
        else
            hi = md - 1;
    }
    return stoll(to_string(lo)+rev(to_string(lo)));
}
ll getBiggestOdd(ll x) {
    ll ans = min(x, 9ll);
    for(int i = 0; i < 10; i++) {
        ll lo = 1, hi = 1000000000;
        while(lo < hi) {
            ll md = lo + (hi-lo+1)/2;
            if(stoll(to_string(md)+to_string(i)+rev(to_string(md))) <= x)
                lo = md;
            else
                hi = md - 1;
        }
        ll val = stoll(to_string(lo)+to_string(i)+rev(to_string(lo)));
        if(val <= x)ans = max(ans, val);
    }
    return ans;
}
void doWork() {

    ll n;
    cin >> n;
    vector<int> ans;
    while(n) {
        ll x = getBiggestOdd(n);
        ll y = getBiggestEven(n);
        ans.push_back(max(x, y));
        n -= max(x, y);
    }

    assert(ans.size() <= 10);
    cout << ans.size() << '\n';
    for(auto x : ans)
        cout << x << '\n';

}
int32_t main() {
#ifdef ONLINE_JUDGE
    ios_base::sync_with_stdio(0);
    cin.tie(0);
#endif // ONLINE_JUDGE
    int t = 1;
//    cin >> t;
    while (t--) {
        doWork();
    }
    return 0;
}