题解 | #整型数组合并#

while 1:
    try:
        input()
        x = [int(x) for x in input().split()]
        input()
        x = x+[int(x) for x in input().split()]
        unique = []
        for i in x:
            if i not in unique:
                unique.append(int(i))
        unique = sorted(unique)
        print("".join(map(str,unique)))
    except:
        break