题解 | #整型数组合并#

while True:
    try:
        n1, nums1 = int(input()), list(map(int, input().split()))
        n2, nums2 = int(input()), list(map(int, input().split()))
        res = list(set(nums1) | set(nums2))
        for i in sorted(res):
            print(i, end='')
        print()
    except:
        break