func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n, m, i;     cin >> n;     long long int arr1[n];     for (i = 0; i < n; i++) cin >> arr1[i];     cin >> m;     long long int arr2[m];     for (i = 0; i < m; i++) cin >> arr2[i];     sort(arr1, arr1 + n);     sort(arr2, arr2 + m);     cout << arr1[n - 1] <<     << arr2[m - 1];   }   