func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long l;     cin >> l;     int div = 0;     for (int i = 5; i < 1 + pow(l, 0.5); i++) {       if (l % i == 0) {         div = i;         break;       }     }     if (div == 0 || (l / div) < 5) {       cout << -1 << endl;     } else {       char a[div][int(l / div)];       a[0][0] =  a ;       a[0][1] =  e ;       a[0][2] =  i ;       a[0][3] =  o ;       a[0][4] =  u ;       a[1][0] =  e ;       a[1][1] =  i ;       a[1][2] =  o ;       a[1][3] =  u ;       a[1][4] =  a ;       a[2][0] =  i ;       a[2][1] =  o ;       a[2][2] =  u ;       a[2][3] =  a ;       a[2][4] =  e ;       a[3][0] =  o ;       a[3][1] =  u ;       a[3][2] =  a ;       a[3][3] =  e ;       a[3][4] =  i ;       a[4][0] =  u ;       a[4][1] =  a ;       a[4][2] =  e ;       a[4][3] =  i ;       a[4][4] =  o ;       for (int i = 0; i < 5; i++) {         for (int j = 5; j < (l / div); j++) {           a[i][j] = a[i][j - 5];         }       }       for (int i = 5; i < div; i++) {         for (int j = 0; j < (l / div); j++) {           a[i][j] = a[i - 5][j];         }       }       for (int i = 0; i < div; i++) {         for (int j = 0; j < (l / div); j++) {           cout << a[i][j];         }       }       cout << endl;     }   }   