func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s, r;     cin >> s;     int k, l, x, n;     cin >> k;     l = s.length();     if (l % k != 0) {       cout <<  NO n ;       return 0;     }     x = l / k;     for (int i = 0; i < l; i += x) {       r = s.substr(i, x);       n = r.length() - 1;       for (int j = 0; j <= n / 2; j++) {         if (r[j] != r[n - j]) {           cout <<  NO n ;           return 0;         }       }     }     cout <<  YES n ;     return 0;   }   