题解 | #整型数组合并#

def sort2list(a,b): #合并，去重，排序后输出
    c = a + b
    c = list(set(c)) 
    for i in sorted(c):
        print(i,end='')

while True:
    try:
        n,a,m,b = input(),list(map(int,input().split())),input(),list(map(int,input().split()))
        sort2list(a,b)
    except:
        break