func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     ;     int n;     cin >> n;     int a[n], b[n];     int r1 = 0, r2 = 0;     for (int i = 0; i < n; i++) {       cin >> a[i];       r1 |= a[i];     }     for (int i = 0; i < n; i++) {       cin >> a[i];       r2 |= a[i];     }     cout << r1 + r2 << endl;     return 0;   }   