ارسال شماره 767
n, x = map(int, input().split())
listt = list(map(int, input().split()))
listt.append(x)
listt.sort()
for i in listt:
print(i, end=" ")
n, x = map(int, input().split())
listt = list(map(int, input().split()))
listt.append(x)
listt.sort()
for i in listt:
print(i, end=" ")