gleb

n = int(input())
nums1 = list(map(int, input().split()))
m = int(input())
nums2 = list(map(int, input().split()))


p1 = 0
p2 = 0
best = (nums1[p1], nums2[p2])

while True:
    if nums1[p1] < nums2[p2]:
        p1 += 1
        if p1 == n:
            break
        if abs(nums1[p1] - nums2[p2]) < abs(best[0] - best[1]):
            best = (nums1[p1], nums2[p2])
    elif nums2[p2] < nums1[p1]:
        p2 += 1
        if p2 == m:
            break
        if abs(nums1[p1] - nums2[p2]) < abs(best[0] - best[1]):
            best = (nums1[p1], nums2[p2])
    else:
        best = (nums1[p1], nums2[p2])
        break

print(best[0], best[1])