func_code_string: #include <bits/stdc++.h>   using namespace std;   const double PI = acos(-1.0);   const double eps = 1e-6;   const int inf = 1e9;   const int mod = 1e9 + 7;   const int maxn = 5e5 + 10;   int n;   int a[1010], b[1010];   int main() {     ios::sync_with_stdio(false);     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> a[i];     }     for (int i = 1; i <= n; i++) {       cin >> b[i];     }     int ans = 0;     for (int i = 1; i <= n; i++) {       int r1 = 0, r2 = 0;       for (int j = i; j <= n; j++) {         r1 |= a[j];         r2 |= b[j];         ans = max(r1 + r2, ans);       }     }     cout << ans << endl;     return 0;   }   