小南解题---集合运算--62ms，89ms

62ms，89ms

#方法一：62ms

a=int(input())

aa=set(map(int,input().split()))

b=int(input())

bb=set(map(int,input().split()))

c=aa|bb

cc=aa&bb

ccc=aa-bb

c=list(map(int,c))

cc=list(map(int,cc))

ccc=list(map(int,ccc))

c.sort()

cc.sort()

ccc.sort()

c=map(str,c)

cc=map(str,cc)

ccc=map(str,ccc)

print(' '.join(cc))

print(' '.join(c))

print(' '.join(ccc))

'''

#方法二：89ms

a=int(input())

aa=set(map(int,input().split()))

b=int(input())

bb=set(map(int,input().split()))

c=aa|bb

cc=aa&bb

ccc=aa-bb

bc=list(c)

bcc=list(cc)

bccc=list(ccc)

bc.sort()

bcc.sort()

bccc.sort()

for i in bcc:

   print(i,end=' ')

print()

for i in bc:

    print(i,end=' ')

print()

for i in bccc:

   print(i,end=' ')

'''