题解 | #整型数组合并#

var = input()

list1 = list(map(int, input().split()))

var1 = input()

list2 = list(map(int, input().split()))

for i in list2:
    list1.append(i)
list1 = list(set(list1))
list1.sort()
for i in list1:
    print(i,end="")