import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
String[] L = scanner.nextLine().split(" ");
int L1 = Integer.parseInt(L[0]);
int L2 = Integer.parseInt(L[1]);
String[] A = scanner.nextLine().split(" ");
String[] B = scanner.nextLine().split(" ");
int suma = 0;
int sumb = 0;
for (String num : A) {
suma += Integer.parseInt(num);
}
for (String num : B) {
sumb += Integer.parseInt(num);
}
int ava = (suma + sumb) / 2;
int value = Math.abs(ava - suma);
Arrays.sort(A);
Arrays.sort(B);
if (suma > sumb) {
for (String item : A) {
if (Arrays.binarySearch(B, String.valueOf(Integer.parseInt(item) - value)) >= 0) {
System.out.println(item + " " + (Integer.parseInt(item) - value));
break;
}
}
} else {
for (String item : A) {
if (Arrays.binarySearch(B, String.valueOf(value + Integer.parseInt(item))) >= 0) {
System.out.println(item + " " + (value + Integer.parseInt(item)));
break;
}
}
}
}
}