import sys
N = int(input())
arr1 = list(map(int, input().split()))
M = int(input())
arr2 = list(map(int, input().split()))
for element in arr1:
    if element in arr2:
        print(element, element)
        exit(0)
if (abs(arr1[0] - arr2[M-1]) < abs(arr1[N-1] - arr2[0])):
    print(arr1[0], arr2[M-1])
else:
    print(arr1[N-1], arr2[0])