题解 | #整型数组合并#

while True:
    try:
        n1 = int(input())
        n_list1 = list(map(int, input().split()))
        n2 = int(input())
        n_list2 = list(map(int, input().split()))
    except EOFError:
        break
    tmp = []
    for i in n_list1:
        tmp.append(i)
    for j in n_list2:
        tmp.append(j)
    tmp = list(set(tmp))
    result = sorted(tmp)
    print(''.join(map(str, result)))