func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, num;     cin >> n;     if (n % 2 == 0) {       num = n / 2;       cout << num << endl;       for (int i = 0; i < num; i++) {         cout <<  2  ;       }     } else {       num = ((n - 3) / 2) + 1;       cout << num << endl;       for (int i = 0; i < num - 1; i++) {         cout <<  2  ;       }       cout <<  3 ;     }     return 0;   }   