func_code_string: #include <bits/stdc++.h>   using namespace std;   string s;   char a;   int b, c, d, i, k, n;   int main() {     cin >> s;     k = s.size();     if (k < 2) d = 1;     while (n < 100 && d == 0) {       while (i < k - 2 && d == 0) {         if (s[i] > s[i + 2]) {           a = s[i + 2];           s[i + 2] = s[i];           s[i] = a;         }         i += 2;       }       n++;       i = 0;     }     cout << s;   }   