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#include <bits/stdc++.h>
using namespace std;
 
const int N = 1e2+10;
int A[N], B[N], a, b, sa, sb;
int found[N];
vector<pair<int, int>> v;
bool arr[N];
 
int main() {
	scanf("%d", &sa);
	memset(arr, 0, sizeof arr1);
	for(int i = 0 ; i < sa ; ++i){
		scanf("%d", A+i);
		arr[i] = 1;
	}
	scanf("%d", &sb);
	for(int i = 0 ; i < sb ; ++i){
		scanf("%d", B+i);
		arr[i] = 1;
	}	
 
	for(int i = 0 ; i < sa ; ++i){
		for(int j = 0 ; j < sb ; ++j){
			int sum = A[i] + B[j];
			//int x = lower_bound(A, A+sa, )
			if(arr[A[i] + B[j]] == 0 ){
				printf("%d %d", A[i], B[j]);
				return 0;
			}
		}
	}
	return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:12:24: error: ‘arr1’ was not declared in this scope
  memset(arr, 0, sizeof arr1);
                        ^~~~
prog.cpp:12:24: note: suggested alternative: ‘arr’
  memset(arr, 0, sizeof arr1);
                        ^~~~
                        arr
prog.cpp:11:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &sa);
  ~~~~~^~~~~~~~~~~
prog.cpp:14:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", A+i);
   ~~~~~^~~~~~~~~~~
prog.cpp:17:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &sb);
  ~~~~~^~~~~~~~~~~
prog.cpp:19:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", B+i);
   ~~~~~^~~~~~~~~~~

Standard output is empty