func_code_string: #include <bits/stdc++.h>   using namespace std;   void Solve() {     string s;     cin >> s;     int n = s.size();     int cnt1 = 0, cnt2 = 0;     for (int i = 0; i < n - 1; i++) {       string t = s.substr(i, 2);       if (t ==  ab ) {         cnt1++;       } else if (t ==  ba ) {         cnt2++;       }     }     if (cnt1 == cnt2) {       cout << s <<   n ;       return;     }     if (cnt1 > cnt2) {       for (int i = n - 1; i >= 0; i--) {         if (s[i] ==  b ) {           s[i] =  a ;           break;         }       }     } else {       for (int i = n - 1; i >= 0; i--) {         if (s[i] ==  a ) {           s[i] =  b ;           break;         }       }     }     cout << s <<   n ;   }   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     int TC = 1;     cin >> TC;     while (TC--) Solve();   }   