func_code_string: #include <bits/stdc++.h>   using namespace std;   int n_keys, n_chests;   int odd_keys, even_keys, odd_chests, even_chests;   int main() {     cin >> n_keys >> n_chests;     for (int i = 0; i < n_keys; i++) {       int x;       cin >> x;       if (x % 2 == 0)         even_keys++;       else         odd_keys++;     }     for (int i = 0; i < n_chests; i++) {       int x;       cin >> x;       if (x % 2 == 0)         even_chests++;       else         odd_chests++;     }     cout << min(even_chests, odd_keys) + min(odd_chests, even_keys) <<   n ;   }   