func_code_string: #include <bits/stdc++.h>   using namespace std;   int kol[10], ans = -1, ans0 = 0;   vector<int> a, b;   int main() {     memset(kol, 0, sizeof(kol));     char c;     while (cin >> c) kol[c -  0 ]++;     for (int i = 1; i < 10; i++) {       vector<int> c, d;       int K1[10], K2[10], res = 0, nul = 0;       for (int j = 0; j < 10; j++) {         K1[j] = kol[j];         K2[j] = kol[j];       }       if (K1[i] > 0 && K2[10 - i] > 0) {         c.push_back(i);         d.push_back(10 - i);         K1[i]--;         K2[10 - i]--;         res++;         for (int j = 0; j < 10; j++) {           while (K1[j] > 0 && K2[9 - j] > 0) {             K1[j]--;             K2[9 - j]--;             c.push_back(j);             d.push_back(9 - j);             res++;           }         }       }       while (K1[0] > 0 && K2[0] > 0) {         K1[0]--;         K2[0]--;         res++;         nul++;       }       for (int j = 0; j < 10; j++) {         while (K1[j] > 0) {           K1[j]--;           c.push_back(j);         }         while (K2[j] > 0) {           K2[j]--;           d.push_back(j);         }       }       if (res > ans) {         ans = res;         ans0 = nul;         a.swap(c);         b.swap(d);       }     }     for (int i = a.size() - 1; i >= 0; i--) cout << a[i];     for (int i = 0; i < ans0; i++) cout << 0;     cout << endl;     for (int i = a.size() - 1; i >= 0; i--) cout << b[i];     for (int i = 0; i < ans0; i++) cout << 0;   }   