Num1 = int(input())
Color1 = list(map(int, input().split()))
Num2 = int(input())
Color2 = list(map(int, input().split()))
i = 0
j = 0
S = [Color1[i], Color2[j]]
while i < len(Color1) and j < len(Color2):
    if abs(S[1] - S[0]) > abs(Color1[i] - Color2[j]):
        S = [Color1[i], Color2[j]]
    if Color1[i] < Color2[j]:
        i += 1
    else:
        j += 1
print(*S)