func_code_string: #include <bits/stdc++.h>   using namespace std;   long long M = 1000000007;   int sum(int n) {     int ans = 0;     while (n) {       ans += n % 10;       n = n / 10;     }     return ans;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     int k;     cin >> k;     int ans = 18;     while (k) {       ans++;       if (sum(ans) == 10) k--;     }     cout << ans;   }   