n,k = list(map(int,input().split()))
num = list(map(int,input().split()))
num = sorted(num)
for i in num[:k]:
print(i,end=' ')

n,k = list(map(int,input().split()))
num = list(map(int,input().split()))
num = sorted(num)
for i in num[:k]:
print(i,end=' ')