func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e5;   const int INF = 1e9;   long long MOD = 998244353;   long long sum(long long n) {     long long sm = 0;     while (n) {       sm += n % 10;       n /= 10;     }     return sm;   }   int main() {     list<int> a;     list<int> b;     long long n;     cin >> n;     int ans = 0;     vector<long long> res;     for (long long i = max(n - 100, 0LL); i <= n; i++) {       if (sum(i) + i == n) {         ans++;         res.push_back(i);       }     }     cout << ans <<   n ;     for (int i = 0; i < res.size(); i++) {       cout << res[i] <<    ;     }     return 0;   }   