func_code_string: #include <bits/stdc++.h>   using namespace std;   struct fast_ios {     fast_ios() {       cin.tie(nullptr), ios::sync_with_stdio(false),           cout << fixed << setprecision(20);     };   } fast_ios_;   string solve(string S) {     const int N = S.length();     int L = N;     while (L % 2 == 0) L /= 2;     while (L < N) {       for (int i = 0; i < N; i += L * 2) {         if (S.substr(i, L) > S.substr(i + L, L)) {           for (int j = (0), j_end_ = (L); j < j_end_; j++)             swap(S[i + j], S[i + j + L]);         }       }       L *= 2;     }     return S;   }   int main() {     string A, B;     cin >> A >> B;     cout << (solve(A) == solve(B) ?  YES  :  NO ) <<   n ;   }   