n,k=[int(x) for x in input().split()]
list1=[int(x) for x in input().split()]
for x in sorted(list1)[0:k]:
print(x,end=' ')

n,k=[int(x) for x in input().split()]
list1=[int(x) for x in input().split()]
for x in sorted(list1)[0:k]:
print(x,end=' ')