func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     int n, a;     while (cin >> s >> n) {       a = s.length();       if (a % n != 0)         cout <<  NO  << endl;       else {         int b, c = 0;         b = a / n;         for (int i = 0; i < a; i += b) {           for (int j = 0; j < b / 2; j++) {             if (s[i + j] != s[i + b - j - 1]) {               c = 1;               break;             }           }           if (c == 1) break;         }         if (c == 1)           cout <<  NO  << endl;         else           cout <<  YES  << endl;       }     }     return 0;   }   