func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     long long sl = s.length();     long long one = 0;     long long two = 0;     long long three = 0;     long long i;     for (i = 0; i < sl; i = i + 2) {       if (s[i] -  0  == 1) {         one++;       } else if (s[i] -  0  == 2) {         two++;       } else {         three++;       }     }     vector<char> v;     for (i = 0; i < one; i++) {       v.push_back( 1 );       v.push_back( + );     }     for (i = 0; i < two; i++) {       v.push_back( 2 );       v.push_back( + );     }     for (i = 0; i < three; i++) {       v.push_back( 3 );       v.push_back( + );     }     if (v[v.size() - 1] ==  + ) {       for (i = 0; i < v.size() - 1; i++) {         cout << v[i];       }     } else {       for (i = 0; i < v.size(); i++) {         cout << v[i];       }     }     return 0;   }   